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tusur.ru

tusur.ru is SSL secured

Free website and domain report on tusur.ru

Last Updated: 7th February, 2022 Update Now
Overview

Snoop Summary for tusur.ru

This is a free and comprehensive report about tusur.ru. Tusur.ru is hosted in Russia on a server with an IP address of 88.204.75.155, where RUB is the local currency and the local language is Russian. Our records indicate that tusur.ru is owned/operated by FGBOU VO \"Tomsk State University of Systems Control and Radioelectronics\". Tusur.ru is expected to earn an estimated $19 USD per day from advertising revenue. The sale of tusur.ru would possibly be worth $13,763 USD. This figure is based on the daily revenue potential of the website over a 24 month period. Tusur.ru receives an estimated 6,610 unique visitors every day - a huge amount of traffic! This report was last updated 7th February, 2022.

About tusur.ru

Site Preview: tusur.ru tusur.ru
Title: Томский государственный университет систем управления и радиоэлектроники (ТУСУР)
Description: Официальный веб-сервер университета. Подразделения университета. Материалы для студентов и абитуриентов.
Keywords and Tags: education, popular, reference, информационная безопасность автоматизированных систем, тисленко владимир ильич, тусур, экономическая безопасность, экономическая безопасность кем работать
Related Terms:
Fav Icon:
Age: Over 25 years old
Domain Created: 24th March, 1998
Domain Updated:
Domain Expires: 31st March, 2022
Review

Snoop Score

3/5 (Great!)

Valuation

$13,763 USD
Note: All valuation figures are estimates.

Popularity

High
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 70,555
Alexa Reach:
SEMrush Rank (US): 2,620,267
SEMrush Authority Score: 62
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Organic Paid
Keywords: 1,509 0
Traffic: 188 0
Cost: $8 USD $0 USD
Traffic

Visitors

Daily Visitors: 6,610
Monthly Visitors: 201,193
Yearly Visitors: 2,412,721
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $19 USD
Monthly Revenue: $573 USD
Yearly Revenue: $6,876 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Backlinks: 335,646
Referring Domains: 3,055
Referring IPs: 2,529
Tusur.ru has 335,646 backlinks according to SEMrush. 94% of these backlinks are "dofollow" (follow) links which allow the flow of link equity to pass through, which may improve tusur.ru's search engine rankings. Other links are treated as 'hints' by search engines and may also pass link equity, depending on what search engines decide in each case.
100% of tusur.ru's backlinks are text and image links, which are ideal for SEO. Other backlink types may be unrecognized or ignored by search engines.

Top New Follow Links

1
Source: https://kapital-rus.ru/articles/article/modeli_formirovaniya_nacionalnyh_innovacionnyh_sistem/
Target: http://www.tusur.ru/
2
Source: https://kapital-rus.ru/articles/article/modeli_formirovaniya_nacionalnyh_innovacionnyh_sistem
Target: http://www.tusur.ru/
3
Source: http://dangodan.s31.xrea.com/bbs/petit.cgi
Target: http://tusur.ru/remmont.com
4
Source: https://vuzpromexpo.ru/y-projects
Target: https://tusur.ru/
5
Source: https://rr-go.com/go/107686/?categoryID=17&geo=us&lang=es&r&subcategoryID=74
Target: http://tusur.ru/?ref=ratrating.com

Top Ranking Keywords (US)

1
Keyword: тусур
Ranked Page: https://tusur.ru/
2
Keyword: экономическая безопасность
Ranked Page: https://abiturient.tusur.ru/ru/napravleniya-podgotovki/ochnaya-forma-obucheniya/2020-38-05-01-ekonomicheskaya-bezopasnost-fulltime
3
Keyword: информационная безопасность автоматизированных систем
Ranked Page: https://abiturient.tusur.ru/ru/napravleniya-podgotovki/ochnaya-forma-obucheniya/2020-10-05-03-informatsionnaya-bezopasnost-avtomatizirovannyh-sistem-fulltime
4
Keyword: тисленко владимир ильич
Ranked Page: https://directory.tusur.ru/people/390
5
Keyword: экономическая безопасность кем работать
Ranked Page: https://abiturient.tusur.ru/ru/napravleniya-podgotovki/ochnaya-forma-obucheniya/2020-38-05-01-ekonomicheskaya-bezopasnost-fulltime

Domain Analysis

Value Length
Domain: tusur.ru 8
Domain Name: tusur 5
Extension (TLD): ru 2
Expiry Check:

Page Speed Analysis

Average Load Time: 2.93 seconds
Load Time Comparison: Faster than 25% of sites

PageSpeed Insights

Avg. (All Categories) 71
Performance 71
Accessibility 95
Best Practices 77
SEO 91
PWA 22
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://tusur.ru/en
Updated: 7th February, 2022

1.70 seconds
First Contentful Paint (FCP)
79%
15%
6%

0.00 seconds
First Input Delay (FID)
99%
1%
0%

Simulate loading on desktop
71

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for tusur.ru. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Total Blocking Time — 90 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Cumulative Layout Shift — 0.003
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

Properly size images
Images can slow down the page's load time. Tusur.ru should consider serving more appropriate-sized images.
Defer offscreen images — Potential savings of 491 KiB
Time to Interactive can be slowed down by resources on the page. Tusur.ru should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://storage.tusur.ru/files/116727/581-309/001.png
266564
263352
https://storage.tusur.ru/files/42652/581-309/promo-01.jpg
178323
178323
https://storage.tusur.ru/files/45083/581-309/tusur.jpg
61157
61157
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Tusur.ru should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Tusur.ru should consider minifying JS files.
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Tusur.ru should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 12 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://connect.facebook.net/signals/config/1158892427581562?v=2.9.52&r=stable
11799
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
194
https://connect.facebook.net/en_US/fbevents.js
46
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.
Avoids an excessive DOM size — 753 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
753
Maximum DOM Depth
Leadership structure
18
Maximum Child Elements
Federal State-Funded Institution of Higher Education – Tomsk State University o…
10
Avoid chaining critical requests — 6 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Tusur.ru should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
JavaScript execution time — 0.5 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
536.253
360.911
32.855
https://tusur.ru/en
161.657
10.59
2.688
Unattributable
116.159
3.236
0.19
https://mc.yandex.ru/metrika/watch.js
78.767
72.544
2.619
Minimizes main-thread work — 1.0 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
520.916
Other
171.942
Style & Layout
166.791
Parse HTML & CSS
59.203
Rendering
54.995
Script Parsing & Compilation
46.735
Garbage Collection
19.733
Keep request counts low and transfer sizes small — 71 requests • 3,523 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
71
3608027
Image
54
1919531
Script
5
902502
Stylesheet
2
456689
Font
4
307555
Document
1
17783
Other
5
3967
Media
0
0
Third-party
10
193938
Minimize third-party usage — Third-party code blocked the main thread for 0 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
53378
1.644
SHOW DETAILS
119322
0
SHOW DETAILS
21238
0
Lazy load third-party resources with facades
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
TUSUR online Information for students Top research TUSUR Prof. Sergey Odints…
Largest Contentful Paint image was not lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.
Avoid large layout shifts — 5 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
Degree Programs
0.00065903471498519
Publications
0.00054318135010307
Employment
0.00052988670167397
News and Events
0.00031052500259389
Русская версия Accessible version
0.00028129034201766
Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 3 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
2270
153
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
2423
117
https://mc.yandex.ru/metrika/watch.js
3010
58
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of tusur.ru on mobile screens.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Audits

Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://tusur.ru/
http/1.1
0
521.93500008434
258
0
301
text/html
https://tusur.ru/
http/1.1
522.33600011095
1468.1639999617
463
0
302
text/html
https://tusur.ru/en
h2
1468.5780000873
2544.9370001443
17783
92489
200
text/html
Document
https://tusur.ru/assets/application-6251bbe165bc8aba9cf945b6becb679166804c417a46e95b42fffa5a0722790c.css
h2
2565.0700000115
3966.3250001613
125844
667430
200
text/css
Stylesheet
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
h2
2565.3850000817
3883.8370000012
713283
2116478
200
application/javascript
Script
https://profile.tusur.ru/assets/ptsans.css
h2
2565.5310000293
4186.8890000042
330845
591805
200
text/css
Stylesheet
https://tusur.ru/assets/logotype-ec8d3683128d186ea5458db2dc38dffd9c701a92a7265c30fb01350a8869307f.png
h2
4004.8750001006
4345.7669999916
5331
5063
200
image/png
Image
https://storage.tusur.ru/files/135781/581-309/581.jpg
h2
4308.1710000988
5791.0720000509
176587
176116
200
image/jpeg
Image
https://storage.tusur.ru/files/116727/581-309/001.png
h2
4308.6370001547
6023.1780000031
267034
266564
200
image/png
Image
https://storage.tusur.ru/files/45083/581-309/tusur.jpg
h2
4308.8710000739
5674.7930001002
61627
61157
200
image/jpeg
Image
https://storage.tusur.ru/files/42652/581-309/promo-01.jpg
h2
4309.1390000191
6806.0759999789
178794
178323
200
image/jpeg
Image
https://storage.tusur.ru/files/42661/581-309/promo-03.jpg
h2
4309.4220000785
5847.3450001329
94704
94234
200
image/jpeg
Image
https://storage.tusur.ru/files/121064/581-309/promo-04.jpg
h2
4309.7729999572
5958.1820000894
205263
204792
200
image/jpeg
Image
https://storage.tusur.ru/files/149772/475-317!mn/01.jpg
h2
4309.9599999841
6639.4879999571
123339
122869
200
image/jpeg
Image
https://storage.tusur.ru/files/147656/203-126!mn/tusur_spruce.jpg
h2
4310.2780000772
5455.3590000141
22361
21892
200
image/jpeg
Image
https://storage.tusur.ru/files/147211/203-126!mn/tusur_2021.jpg
h2
4310.6009999756
5294.2409999669
24608
24138
200
image/jpeg
Image
https://storage.tusur.ru/files/147014/203-126!mn/01.jpg
h2
4310.9180000611
5501.0530001018
31152
30682
200
image/jpeg
Image
https://storage.tusur.ru/files/145100/203-126!mn/01.jpg
h2
4311.1819999758
5793.9320001751
28512
28042
200
image/jpeg
Image
https://storage.tusur.ru/files/144266/203-126!mn/RUR.jpg
h2
4312.3170000035
5622.5020000711
22613
22143
200
image/jpeg
Image
https://storage.tusur.ru/files/144207/203-126!mn/TUSUR_flazhki.jpg
h2
4313.7240000069
5458.8699999731
39095
38625
200
image/jpeg
Image
https://storage.tusur.ru/files/144981/256-206!n/01%20(1).jpg
h2
4313.9639999717
6022.3150001839
45636
45166
200
image/jpeg
Image
https://storage.tusur.ru/files/144982/100-66!n/02.jpg
h2
4315.0120000355
5957.277999958
11340
10870
200
image/jpeg
Image
https://storage.tusur.ru/files/144983/100-66!n/03.jpg
h2
4315.195000032
5846.8190000858
13371
12901
200
image/jpeg
Image
https://storage.tusur.ru/files/144984/100-66!n/04.jpg
h2
4315.5990000814
5288.145000115
11430
10960
200
image/jpeg
Image
https://storage.tusur.ru/files/144960/256-206!n/01.jpg
h2
4316.3540000096
5849.2650000844
71611
71141
200
image/jpeg
Image
https://storage.tusur.ru/files/144961/100-66!n/02.jpg
h2
4316.6780001484
5288.4929999709
14065
13595
200
image/jpeg
Image
https://storage.tusur.ru/files/144962/100-66!n/03.jpg
h2
4317.7340000402
5328.5980001092
12522
12052
200
image/jpeg
Image
https://storage.tusur.ru/files/144963/100-66!n/04.jpg
h2
4317.8759999573
5456.1060001142
10067
9598
200
image/jpeg
Image
https://storage.tusur.ru/files/144944/256-206!n/001.jpg
h2
4318.0070000235
6023.9430000074
75689
75219
200
image/jpeg
Image
https://storage.tusur.ru/files/144945/100-66!n/002.jpg
h2
4318.1370000821
5455.7660000864
13109
12639
200
image/jpeg
Image
https://storage.tusur.ru/files/144946/100-66!n/003.jpg
h2
4318.339999998
5458.1659999676
12484
12014
200
image/jpeg
Image
https://storage.tusur.ru/files/144947/100-66!n/004.jpg
h2
4318.8249999657
5292.0160000212
14655
14185
200
image/jpeg
Image
https://connect.facebook.net/en_US/fbevents.js
h2
4319.2070000805
4335.1010000333
27681
101516
200
application/x-javascript
Script
data
4343.4940001462
4367.9420000408
214068
214068
200
font/truetype
Font
https://mc.yandex.ru/metrika/watch.js
h2
4383.6829999927
4772.1969999839
50365
140639
200
application/javascript
Script
https://www.google-analytics.com/analytics.js
h2
4384.0020000935
4388.9500000514
20631
50205
200
text/javascript
Script
https://tusur.ru/assets/languages/rus-4c05762cffa003c72b0972f0c194f2541e9d9578df694cb091acc3f8e4b16da2.jpg
h2
4384.1240000911
4906.3630001619
2220
1952
200
image/jpeg
Image
https://tusur.ru/assets/cecutient-3032489d0ed678050d20f5e6995eed6a95323669ccff03fb8f852b1b7fba1d14.jpg
h2
4384.2220001388
5077.3920000065
2216
1948
200
image/jpeg
Image
https://tusur.ru/assets/magnifier-da2ca3897a45c2f405276afc13676ec8974ae9f6e81e8cea347c7df7cfa3ab83.png
h2
4384.3390000984
4559.5060000196
1251
985
200
image/png
Image
https://tusur.ru/assets/promo/innovation-cb780697abee7f0bbf793432ef9c2d50421ad2a476915b99b5411fb6438b8ec1.png
h2
4384.4530000351
4726.624000119
120597
120326
200
image/png
Image
https://tusur.ru/assets/secondary-admission-b82f8fffcd8a2f2ea84b0a90574fb7c82d665c4981782cea81c4a36432f066cf.png
h2
4384.8030001391
4890.253999969
1619
1352
200
image/png
Image
https://tusur.ru/assets/secondary-degree-programs-d9dafa80759448d3cb681086739c804302158a8b01205f2f5621183745965d02.png
h2
4385.1550000254
4728.6610000301
1729
1462
200
image/png
Image
https://tusur.ru/assets/secondary-employment-4498301a8ff778c089663a8d57f6d1b359b69304e0b6e101cc484fcd82d0ab67.png
h2
4385.627000127
4901.6609999817
1541
1274
200
image/png
Image
https://tusur.ru/assets/secondary-publications-22e334645f9de0751f7aa3f62554cba899400c7e6e0f6fdf3742c9d66a3e66a5.png
h2
4386.327000102
5069.4409999996
2260
1993
200
image/png
Image
https://tusur.ru/assets/statistics/01-b6339c740bbc89e8ca41dc9a2e6e34d252d9fee0a435f0dbcfecc7c1b3cfdd65.png
h2
4390.5030000024
4725.4850000609
4646
4378
200
image/png
Image
https://tusur.ru/assets/statistics/02-6603006b98eee3ec784d3fb218e67a7e7e0f47516bc065655ed920da66e45841.png
h2
4391.1070001777
4561.0450000968
2040
1773
200
image/png
Image
https://tusur.ru/assets/statistics/03-c90b09e5aeb80f900ca64a3e250e9f2fd394c6b6292e70b70117067ca2522d15.png
h2
4391.7440001387
4725.882000057
5933
5665
200
image/png
Image
https://tusur.ru/assets/statistics/04-ff84b40c18204efc75a77a4f785e3e08df76ebb0980e3a2c51ac26ee5b1d9486.png
h2
4391.9740000274
4726.1700001545
2491
2224
200
image/png
Image
https://tusur.ru/assets/statistics/05-4aee4dcfc2e9070883d3bbdce32e33362fb524dc85daec1d1fc3cb76aa3a371e.png
h2
4392.6260001026
4733.2050001714
15163
14894
200
image/png
Image
https://tusur.ru/assets/statistics/06-522d10bac430443840a57a1be7299f04cd6de5a8d1aaedfed98e5afae256a37d.png
h2
4392.9280000739
4564.9390001781
3711
3444
200
image/png
Image
https://tusur.ru/assets/statistics/07-50ecb43a157b60c524efe8149cff28ad3ae9f1173b924abe36def59b2a7b8b12.png
h2
4393.5920000076
4732.7770001721
5096
4828
200
image/png
Image
https://tusur.ru/assets/statistics/08-1e9761d52a7cdc338977bf752093f5175111a05952775abdcfbd3598822ec7ca.png
h2
4394.0980001353
4566.531999968
4221
3954
200
image/png
Image
https://tusur.ru/assets/statistics/09-2b863b5d2beb37ad03754db45de33332569607a96f7015e25acc16c38ad808d7.png
h2
4394.6420000866
4565.7420000061
2671
2404
200
image/png
Image
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4395.1510000043
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h2
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h2
4398.9920001477
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200
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Image
https://tusur.ru/assets/social-fb-f6418545a4c6ba837eb1f25dde7b64ad252cc6ab89b958d52543885615166b16.jpg
h2
4399.265000131
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17361
17091
200
image/jpeg
Image
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h2
4399.8320000246
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200
image/jpeg
Image
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h2
4400.2219999675
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2042
1775
200
image/png
Image
https://tusur.ru/assets/social-youtube-689671ff087d60fcd573744deb2bcd1e7c883ec1309010a34eacf6c23e64b941.jpg
h2
4400.7099999581
4742.2210001387
2780
2512
200
image/jpeg
Image
https://tusur.ru/assets/social-telegram-0143919e2d8808212e04d26ee31f4aa43fb05f06ee0b5eaf31e998c790a6220a.jpg
h2
4401.2580001727
4906.8200001493
2603
2335
200
image/jpeg
Image
https://tusur.ru/assets/PTSans-db9efb02624ae1915282bf97726ec48435253953571900984907c92d3d383811.woff
h2
4402.2590001114
4746.4900000487
154323
154040
200
application/font-woff
Font
https://tusur.ru/assets/bootstrap/glyphicons-halflings-regular-fe185d11a49676890d47bb783312a0cda5a44c4039214094e7957b4c040ef11c.woff2
h2
4403.002000181
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application/octet-stream
Font
https://tusur.ru/assets/OfficinaSerifBookSCC-31932fc8e2b987735726896b5b72c53759785d1edb01700199dab1d64053bae3.woff
h2
4403.54700014
4902.1350000985
27237
26956
200
application/font-woff
Font
https://tusur.ru/assets/PTSerif-9929002a6e6fc5e87eacd58e61caa6e31e5b13774e24c57d57f6d5b17ec8fbed.woff
h2
4405.7030000258
4892.3610001802
107683
107400
200
application/font-woff
Font
https://connect.facebook.net/signals/config/1158892427581562?v=2.9.52&r=stable
h2
4647.6430001203
4721.4750000276
90542
314265
200
application/x-javascript
Script
https://www.google-analytics.com/j/collect?v=1&_v=j96&a=194721786&t=pageview&_s=1&dl=https%3A%2F%2Ftusur.ru%2Fen&ul=en-us&de=UTF-8&dt=Tomsk%20State%20University%20of%20Control%20Systems%20and%20Radioelectronics&sd=24-bit&sr=800x600&vp=1350x940&je=0&_u=IEBAAEABAAAAAC~&jid=1347039338&gjid=2124250698&cid=370255535.1644250186&tid=UA-36455594-3&_gid=1621574967.1644250186&_r=1&_slc=1&z=544093500
h2
4692.9119999986
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text/plain
XHR
https://www.facebook.com/tr/?id=1158892427581562&ev=PageView&dl=https%3A%2F%2Ftusur.ru%2Fen&rl=&if=false&ts=1644250186211&sw=800&sh=600&v=2.9.52&r=stable&ec=0&o=30&fbp=fb.1.1644250186209.155327376&it=1644250186077&coo=false&exp=p0&rqm=GET
h2
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Image
https://mc.yandex.ru/watch/16886575?wmode=7&page-url=https%3A%2F%2Ftusur.ru%2Fen&charset=utf-8&browser-info=pv%3A1%3Agdpr%3A14%3Avf%3Agqny5kf8o0yuamw2yn%3Afp%3A4368%3Afu%3A0%3Aen%3Autf-8%3Ala%3Aen-US%3Av%3A751%3Acn%3A1%3Adp%3A0%3Als%3A158443033801%3Ahid%3A532674340%3Az%3A-480%3Ai%3A20220207080946%3Aet%3A1644250186%3Ac%3A1%3Arn%3A44326711%3Arqn%3A1%3Au%3A1644250186436456718%3Aw%3A1350x940%3As%3A800x600x24%3Ask%3A1%3Antf%3A1%3Ans%3A1644250181433%3Ads%3A0%2C0%2C%2C0%2C1470%2C0%2C%2C1829%2C223%2C%2C%2C%2C4376%3Aco%3A0%3Arqnl%3A1%3Ast%3A1644250186%3At%3ATomsk%20State%20University%20of%20Control%20Systems%20and%20Radioelectronics&t=gdpr(14)aw(1)ti(2)
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h2
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Image
https://mc.yandex.ru/watch/16886575/1?wmode=7&page-url=https%3A%2F%2Ftusur.ru%2Fen&charset=utf-8&browser-info=pv%3A1%3Agdpr%3A14%3Avf%3Agqny5kf8o0yuamw2yn%3Afp%3A4368%3Afu%3A0%3Aen%3Autf-8%3Ala%3Aen-US%3Av%3A751%3Acn%3A1%3Adp%3A0%3Als%3A158443033801%3Ahid%3A532674340%3Az%3A-480%3Ai%3A20220207080946%3Aet%3A1644250186%3Ac%3A1%3Arn%3A44326711%3Arqn%3A1%3Au%3A1644250186436456718%3Aw%3A1350x940%3As%3A800x600x24%3Ask%3A1%3Antf%3A1%3Ans%3A1644250181433%3Ads%3A0%2C0%2C%2C0%2C1470%2C0%2C%2C1829%2C223%2C%2C%2C%2C4376%3Aco%3A0%3Arqnl%3A1%3Ast%3A1644250186%3At%3ATomsk%20State%20University%20of%20Control%20Systems%20and%20Radioelectronics&t=gdpr%2814%29aw%281%29ti%282%29
h2
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application/json
XHR
https://www.facebook.com/tr/?id=1158892427581562&ev=Microdata&dl=https%3A%2F%2Ftusur.ru%2Fen&rl=&if=false&ts=1644250186716&cd[DataLayer]=%5B%5D&cd[Meta]=%7B%22title%22%3A%22Tomsk%20State%20University%20of%20Control%20Systems%20and%20Radioelectronics%22%7D&cd[OpenGraph]=%7B%22og%3Asite_name%22%3A%22Tomsk%20State%20University%20of%20Control%20Systems%20and%20Radioelectronics%22%2C%22og%3Atitle%22%3A%22Main%20Page%22%2C%22og%3Atype%22%3A%22website%22%2C%22og%3Aurl%22%3A%22https%3A%2F%2Ftusur.ru%2Fen%22%2C%22og%3Alocale%22%3A%22ru_RU%22%7D&cd[Schema.org]=%5B%5D&cd[JSON-LD]=%5B%5D&sw=800&sh=600&v=2.9.52&r=stable&ec=1&o=30&fbp=fb.1.1644250186209.155327376&it=1644250186077&coo=false&es=automatic&tm=3&exp=p0&rqm=GET
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Image
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
2594.913
13.638
2615.735
7
4015.581
34.519
4050.438
306.646
4361.777
12.058
4375.786
24.108
4399.981
7.459
4408.702
7.938
4416.806
234.54
4651.595
12.904
4668.349
22.383
4701.282
37.757
4739.09
7.558
4790.301
34.042
4833.026
24.366
4859.836
57.78
4955.573
8.201
5437.346
6.805
9164.671
6.513
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Metrics

Time to Interactive — 2.7 s
The time taken for the page to become fully interactive.
Largest Contentful Paint — 2.4 s
The timing of the largest text or image that is painted.

Audits

Max Potential First Input Delay — 150 ms
Users could experience a delay when interacting with the page.

Other

Reduce unused CSS — Potential savings of 440 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Tusur.ru should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://profile.tusur.ru/assets/ptsans.css
330845
330845
https://tusur.ru/assets/application-6251bbe165bc8aba9cf945b6becb679166804c417a46e95b42fffa5a0722790c.css
125844
119587
Efficiently encode images — Potential savings of 848 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://storage.tusur.ru/files/121064/581-309/promo-04.jpg
204792
138365
https://storage.tusur.ru/files/135781/581-309/581.jpg
176116
114497
https://storage.tusur.ru/files/42652/581-309/promo-01.jpg
178323
108631
https://storage.tusur.ru/files/149772/475-317!mn/01.jpg
122869
73751
https://storage.tusur.ru/files/42661/581-309/promo-03.jpg
94234
67854
https://storage.tusur.ru/files/144960/256-206!n/01.jpg
71141
48986
https://storage.tusur.ru/files/144944/256-206!n/001.jpg
75219
47485
https://storage.tusur.ru/files/45083/581-309/tusur.jpg
61157
38802
https://storage.tusur.ru/files/144981/256-206!n/01%20(1).jpg
45166
32545
https://storage.tusur.ru/files/144207/203-126!mn/TUSUR_flazhki.jpg
38625
26170
https://storage.tusur.ru/files/147014/203-126!mn/01.jpg
30682
21106
https://storage.tusur.ru/files/145100/203-126!mn/01.jpg
28042
17623
https://tusur.ru/assets/social-twitter-8aeecb8b4442a05fe6f20688e12105c3a364a04b1aaa0b321e0e6394ddf4b66b.jpg
17453
16793
https://tusur.ru/assets/social-fb-f6418545a4c6ba837eb1f25dde7b64ad252cc6ab89b958d52543885615166b16.jpg
17091
16498
https://storage.tusur.ru/files/144266/203-126!mn/RUR.jpg
22143
14508
https://storage.tusur.ru/files/144947/100-66!n/004.jpg
14185
8743
https://storage.tusur.ru/files/144983/100-66!n/03.jpg
12901
8724
https://storage.tusur.ru/files/147211/203-126!mn/tusur_2021.jpg
24138
8393
https://storage.tusur.ru/files/144961/100-66!n/02.jpg
13595
8365
https://storage.tusur.ru/files/144945/100-66!n/002.jpg
12639
7634
https://storage.tusur.ru/files/144984/100-66!n/04.jpg
10960
7470
https://storage.tusur.ru/files/144946/100-66!n/003.jpg
12014
7438
https://storage.tusur.ru/files/144962/100-66!n/03.jpg
12052
7421
https://storage.tusur.ru/files/144982/100-66!n/02.jpg
10870
7198
https://storage.tusur.ru/files/147656/203-126!mn/tusur_spruce.jpg
21892
6848
https://storage.tusur.ru/files/144963/100-66!n/04.jpg
9598
6319
Avoid multiple page redirects — Potential savings of 340 ms
Redirects can cause additional delays before the page can begin loading. Tusur.ru should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://tusur.ru/
190
https://tusur.ru/
150
https://tusur.ru/en
0
Avoid enormous network payloads — Total size was 3,523 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
713283
https://profile.tusur.ru/assets/ptsans.css
330845
https://storage.tusur.ru/files/116727/581-309/001.png
267034
https://storage.tusur.ru/files/121064/581-309/promo-04.jpg
205263
https://storage.tusur.ru/files/42652/581-309/promo-01.jpg
178794
https://storage.tusur.ru/files/135781/581-309/581.jpg
176587
https://tusur.ru/assets/PTSans-db9efb02624ae1915282bf97726ec48435253953571900984907c92d3d383811.woff
154323
https://tusur.ru/assets/application-6251bbe165bc8aba9cf945b6becb679166804c417a46e95b42fffa5a0722790c.css
125844
https://storage.tusur.ru/files/149772/475-317!mn/01.jpg
123339
https://tusur.ru/assets/promo/innovation-cb780697abee7f0bbf793432ef9c2d50421ad2a476915b99b5411fb6438b8ec1.png
120597

Metrics

First Contentful Paint — 1.7 s
The time taken for the first image or text on the page to be rendered.
Speed Index — 4.1 s
The time taken for the page contents to be visibly populated.

Audits

First Meaningful Paint — 1.8 s
The time taken for the primary content of the page to be rendered.

Other

Eliminate render-blocking resources — Potential savings of 1,290 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Tusur.ru should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://tusur.ru/assets/application-6251bbe165bc8aba9cf945b6becb679166804c417a46e95b42fffa5a0722790c.css
125844
350
https://profile.tusur.ru/assets/ptsans.css
330845
830
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
713283
1110
Reduce unused JavaScript — Potential savings of 634 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
713283
552790
https://connect.facebook.net/signals/config/1158892427581562?v=2.9.52&r=stable
90542
71032
https://mc.yandex.ru/metrika/watch.js
50365
25097
Serve images in next-gen formats — Potential savings of 1,463 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://storage.tusur.ru/files/116727/581-309/001.png
266564
243075.3
https://storage.tusur.ru/files/121064/581-309/promo-04.jpg
204792
171723.65
https://storage.tusur.ru/files/135781/581-309/581.jpg
176116
145924.05
https://storage.tusur.ru/files/42652/581-309/promo-01.jpg
178323
143810.4
https://storage.tusur.ru/files/149772/475-317!mn/01.jpg
122869
98390.3
https://tusur.ru/assets/promo/innovation-cb780697abee7f0bbf793432ef9c2d50421ad2a476915b99b5411fb6438b8ec1.png
120326
91893.7
https://storage.tusur.ru/files/42661/581-309/promo-03.jpg
94234
83573.4
https://storage.tusur.ru/files/144944/256-206!n/001.jpg
75219
61006.3
https://storage.tusur.ru/files/144960/256-206!n/01.jpg
71141
60211.85
https://storage.tusur.ru/files/45083/581-309/tusur.jpg
61157
52114.65
https://storage.tusur.ru/files/144981/256-206!n/01%20(1).jpg
45166
39503.55
https://tusur.ru/assets/footer-bg-9af1818a642dbe257fa3feb743b2d8aaae48ae6579016df3b834dd4c9376328b.png
81521
37933.8
https://storage.tusur.ru/files/144207/203-126!mn/TUSUR_flazhki.jpg
38625
32190.45
https://storage.tusur.ru/files/147014/203-126!mn/01.jpg
30682
25988
https://tusur.ru/assets/footer-submenu-point-de1159b4d3519a9a3c5fd9c32b579bbf41775672ff4bd8a2f9fe46ba92b9aa94.png
25360
25221.05
https://storage.tusur.ru/files/145100/203-126!mn/01.jpg
28042
22834.85
https://storage.tusur.ru/files/144266/203-126!mn/RUR.jpg
22143
18585.45
https://tusur.ru/assets/social-twitter-8aeecb8b4442a05fe6f20688e12105c3a364a04b1aaa0b321e0e6394ddf4b66b.jpg
17453
17172
https://tusur.ru/assets/social-fb-f6418545a4c6ba837eb1f25dde7b64ad252cc6ab89b958d52543885615166b16.jpg
17091
16854.75
https://storage.tusur.ru/files/147211/203-126!mn/tusur_2021.jpg
24138
15745.75
https://storage.tusur.ru/files/147656/203-126!mn/tusur_spruce.jpg
21892
14019
https://storage.tusur.ru/files/144947/100-66!n/004.jpg
14185
11288.5
https://storage.tusur.ru/files/144961/100-66!n/02.jpg
13595
10805.1
https://storage.tusur.ru/files/144983/100-66!n/03.jpg
12901
10789.55
https://storage.tusur.ru/files/144945/100-66!n/002.jpg
12639
10012.55
https://storage.tusur.ru/files/144946/100-66!n/003.jpg
12014
9598
https://storage.tusur.ru/files/144962/100-66!n/03.jpg
12052
9575.85
https://storage.tusur.ru/files/144984/100-66!n/04.jpg
10960
9259.5
https://storage.tusur.ru/files/144982/100-66!n/02.jpg
10870
9002.4
Reduce initial server response time — Root document took 1,080 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://tusur.ru/en
1077.351
Serve static assets with an efficient cache policy — 38 resources found
Tusur.ru can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
0
713283
https://profile.tusur.ru/assets/ptsans.css
0
330845
https://tusur.ru/assets/PTSans-db9efb02624ae1915282bf97726ec48435253953571900984907c92d3d383811.woff
0
154323
https://tusur.ru/assets/application-6251bbe165bc8aba9cf945b6becb679166804c417a46e95b42fffa5a0722790c.css
0
125844
https://tusur.ru/assets/promo/innovation-cb780697abee7f0bbf793432ef9c2d50421ad2a476915b99b5411fb6438b8ec1.png
0
120597
https://tusur.ru/assets/PTSerif-9929002a6e6fc5e87eacd58e61caa6e31e5b13774e24c57d57f6d5b17ec8fbed.woff
0
107683
https://tusur.ru/assets/footer-bg-9af1818a642dbe257fa3feb743b2d8aaae48ae6579016df3b834dd4c9376328b.png
0
81791
https://tusur.ru/assets/OfficinaSerifBookSCC-31932fc8e2b987735726896b5b72c53759785d1edb01700199dab1d64053bae3.woff
0
27237
https://tusur.ru/assets/footer-submenu-point-de1159b4d3519a9a3c5fd9c32b579bbf41775672ff4bd8a2f9fe46ba92b9aa94.png
0
25629
https://tusur.ru/assets/bootstrap/glyphicons-halflings-regular-fe185d11a49676890d47bb783312a0cda5a44c4039214094e7957b4c040ef11c.woff2
0
18312
https://tusur.ru/assets/social-twitter-8aeecb8b4442a05fe6f20688e12105c3a364a04b1aaa0b321e0e6394ddf4b66b.jpg
0
17723
https://tusur.ru/assets/social-fb-f6418545a4c6ba837eb1f25dde7b64ad252cc6ab89b958d52543885615166b16.jpg
0
17361
https://tusur.ru/assets/statistics/05-4aee4dcfc2e9070883d3bbdce32e33362fb524dc85daec1d1fc3cb76aa3a371e.png
0
15163
https://tusur.ru/assets/statistics/03-c90b09e5aeb80f900ca64a3e250e9f2fd394c6b6292e70b70117067ca2522d15.png
0
5933
https://tusur.ru/assets/logotype-ec8d3683128d186ea5458db2dc38dffd9c701a92a7265c30fb01350a8869307f.png
0
5331
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5096
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4646
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4221
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3711
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2780
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0
2671
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0
2603
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2491
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2260
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0
2220
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0
2216
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0
2042
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0
2040
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0
1729
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1725
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1619
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0
1541
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0
1251
https://connect.facebook.net/signals/config/1158892427581562?v=2.9.52&r=stable
1200000
90542
https://connect.facebook.net/en_US/fbevents.js
1200000
27681
https://mc.yandex.ru/metrika/watch.js
3600000
50365
https://mc.yandex.ru/metrika/advert.gif
3600000
374
https://www.google-analytics.com/analytics.js
7200000
20631
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://tusur.ru/assets/PTSans-db9efb02624ae1915282bf97726ec48435253953571900984907c92d3d383811.woff
344.23099993728
https://tusur.ru/assets/bootstrap/glyphicons-halflings-regular-fe185d11a49676890d47bb783312a0cda5a44c4039214094e7957b4c040ef11c.woff2
498.15699993633
https://tusur.ru/assets/OfficinaSerifBookSCC-31932fc8e2b987735726896b5b72c53759785d1edb01700199dab1d64053bae3.woff
498.58799995854
https://tusur.ru/assets/PTSerif-9929002a6e6fc5e87eacd58e61caa6e31e5b13774e24c57d57f6d5b17ec8fbed.woff
486.65800015442
Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
URL
https://storage.tusur.ru/files/144981/256-206!n/01%20(1).jpg
https://storage.tusur.ru/files/144960/256-206!n/01.jpg
https://storage.tusur.ru/files/144944/256-206!n/001.jpg
https://tusur.ru/assets/logotype-ec8d3683128d186ea5458db2dc38dffd9c701a92a7265c30fb01350a8869307f.png
https://storage.tusur.ru/files/144982/100-66!n/02.jpg
https://storage.tusur.ru/files/144983/100-66!n/03.jpg
https://storage.tusur.ru/files/144984/100-66!n/04.jpg
https://storage.tusur.ru/files/144961/100-66!n/02.jpg
https://storage.tusur.ru/files/144962/100-66!n/03.jpg
https://storage.tusur.ru/files/144963/100-66!n/04.jpg
https://storage.tusur.ru/files/144945/100-66!n/002.jpg
https://storage.tusur.ru/files/144946/100-66!n/003.jpg
https://storage.tusur.ru/files/144947/100-66!n/004.jpg
95

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of tusur.ru. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Contrast

Background and foreground colors have a sufficient contrast ratio
Many (if not most) users find low-contrast text difficult or impossible to read.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tusur.ru may provide assistance to deaf or hearing-impaired users with captions on videos.

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements
Degree programs

Names and labels

Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
77

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that tusur.ru should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
Bootstrap
3.3.7
Highcharts
4.1.9
jQuery
1.12.4
jQuery UI
1.9.2
AngularJS
1.5.11
core-js
core-js-pure@3.0.0
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://tusur.ru/
Allowed
Includes front-end JavaScript libraries with known security vulnerabilities — 25 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
SHOW DETAILS
5
Medium
SHOW DETAILS
4
High
SHOW DETAILS
4
Medium
SHOW DETAILS
3
High
SHOW DETAILS
9
High

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Source
SHOW DETAILS
SHOW DETAILS
Missing source maps for large first-party JavaScript
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
91

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for tusur.ru. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of tusur.ru on mobile screens.
Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Content Best Practices

Document does not have a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
22

PWA

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of tusur.ru. This includes details about web app manifests.

PWA Optimized

Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of tusur.ru on mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Avg. (All Categories) 63
Performance 30
Accessibility 96
Best Practices 69
SEO 88
PWA 30
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://tusur.ru/en
Updated: 7th February, 2022

2.60 seconds
First Contentful Paint (FCP)
57%
28%
15%

0.04 seconds
First Input Delay (FID)
91%
8%
1%

Simulate loading on mobile
30

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for tusur.ru. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Cumulative Layout Shift — 0
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

Properly size images
Images can slow down the page's load time. Tusur.ru should consider serving more appropriate-sized images.
Defer offscreen images — Potential savings of 526 KiB
Time to Interactive can be slowed down by resources on the page. Tusur.ru should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://storage.tusur.ru/files/121064/581-309/promo-04.jpg
204792
204792
https://storage.tusur.ru/files/42652/581-309/promo-01.jpg
178323
178323
https://storage.tusur.ru/files/42661/581-309/promo-03.jpg
94234
94234
https://storage.tusur.ru/files/45083/581-309/tusur.jpg
61157
61157
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Tusur.ru should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Tusur.ru should consider minifying JS files.
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Initial server response time was short — Root document took 590 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://tusur.ru/en
589.373
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Tusur.ru should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 12 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://connect.facebook.net/signals/config/1158892427581562?v=2.9.52&r=stable
11799
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
194
https://connect.facebook.net/en_US/fbevents.js
45
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.
Avoids an excessive DOM size — 753 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
753
Maximum DOM Depth
Leadership structure
18
Maximum Child Elements
Federal State-Funded Institution of Higher Education – Tomsk State University o…
10
Avoid chaining critical requests — 6 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Tusur.ru should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Keep request counts low and transfer sizes small — 66 requests • 3,515 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
66
3599382
Image
49
1911131
Script
5
902250
Stylesheet
2
456689
Font
4
307555
Document
1
17783
Other
5
3974
Media
0
0
Third-party
10
193677
Minimize third-party usage — Third-party code blocked the main thread for 240 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
53369
121.256
SHOW DETAILS
119070
65.692
SHOW DETAILS
21238
57.888
Lazy load third-party resources with facades
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
TUSUR online Information for students
Largest Contentful Paint image was not lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.
Avoid large layout shifts — 1 element found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
TUSUR online
0.000205078125
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 9 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
12000
691
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
12691
389
https://mc.yandex.ru/metrika/watch.js
15060
196
https://tusur.ru/assets/application-6251bbe165bc8aba9cf945b6becb679166804c417a46e95b42fffa5a0722790c.css
3420
149
https://connect.facebook.net/signals/config/1158892427581562?v=2.9.52&r=stable
16097
137
https://www.google-analytics.com/analytics.js
14310
83
https://connect.facebook.net/en_US/fbevents.js
14071
76
Unattributable
633
66
https://tusur.ru/en
1481
64
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of tusur.ru on mobile screens.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Audits

Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://tusur.ru/
http/1.1
0
716.72399993986
273
0
301
text/html
https://tusur.ru/
http/1.1
717.1129998751
2409.0549997054
464
0
302
text/html
https://tusur.ru/en
h2
2409.4869997352
2997.8649998084
17783
92489
200
text/html
Document
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h2
3013.5909998789
4515.0759997778
125844
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200
text/css
Stylesheet
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h2
3014.0100000426
4739.9639999494
713283
2116478
200
application/javascript
Script
https://profile.tusur.ru/assets/ptsans.css
h2
3014.4309997559
4722.6869999431
330845
591805
200
text/css
Stylesheet
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h2
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5331
5063
200
image/png
Image
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h2
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176587
176116
200
image/jpeg
Image
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h2
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267034
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image/png
Image
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h2
5189.1589998268
6920.0679999776
61627
61157
200
image/jpeg
Image
https://storage.tusur.ru/files/42652/581-309/promo-01.jpg
h2
5189.2959997058
6721.3550000452
178794
178323
200
image/jpeg
Image
https://storage.tusur.ru/files/42661/581-309/promo-03.jpg
h2
5189.6969997324
6425.4350000992
94704
94234
200
image/jpeg
Image
https://storage.tusur.ru/files/121064/581-309/promo-04.jpg
h2
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205263
204792
200
image/jpeg
Image
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h2
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6923.2270000502
123339
122869
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Image
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h2
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22361
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Image
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h2
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24608
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Image
https://storage.tusur.ru/files/147014/203-126!mn/01.jpg
h2
5191.0689999349
6423.2210000046
31152
30682
200
image/jpeg
Image
https://storage.tusur.ru/files/145100/203-126!mn/01.jpg
h2
5191.2489999086
6426.8109998666
28512
28042
200
image/jpeg
Image
https://storage.tusur.ru/files/144266/203-126!mn/RUR.jpg
h2
5191.4780000225
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22613
22143
200
image/jpeg
Image
https://storage.tusur.ru/files/144207/203-126!mn/TUSUR_flazhki.jpg
h2
5191.5909997188
6552.2499997169
39095
38625
200
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Image
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h2
5191.9350000098
6552.8319999576
45636
45166
200
image/jpeg
Image
https://storage.tusur.ru/files/144982/100-66!n/02.jpg
h2
5192.1509997919
6592.284000013
11340
10870
200
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Image
https://storage.tusur.ru/files/144983/100-66!n/03.jpg
h2
5192.3130000941
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13371
12901
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Image
https://storage.tusur.ru/files/144984/100-66!n/04.jpg
h2
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11430
10960
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Image
https://storage.tusur.ru/files/144960/256-206!n/01.jpg
h2
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6718.4540000744
71611
71141
200
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Image
https://storage.tusur.ru/files/144961/100-66!n/02.jpg
h2
5192.6690000109
6593.1599996984
14065
13595
200
image/jpeg
Image
https://storage.tusur.ru/files/144962/100-66!n/03.jpg
h2
5192.8880000487
5915.0809999555
12522
12052
200
image/jpeg
Image
https://storage.tusur.ru/files/144963/100-66!n/04.jpg
h2
5193.0519999005
6073.3199999668
10067
9598
200
image/jpeg
Image
https://storage.tusur.ru/files/144944/256-206!n/001.jpg
h2
5193.2299998589
6593.7759997323
75689
75219
200
image/jpeg
Image
https://storage.tusur.ru/files/144945/100-66!n/002.jpg
h2
5193.3699999936
6427.478000056
13109
12639
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image/jpeg
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h2
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h2
5193.6180000193
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14655
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Image
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h2
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data
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font/truetype
Font
https://mc.yandex.ru/metrika/watch.js
h2
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application/javascript
Script
https://www.google-analytics.com/analytics.js
h2
5270.920000039
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20631
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text/javascript
Script
https://tusur.ru/assets/languages/rus-4c05762cffa003c72b0972f0c194f2541e9d9578df694cb091acc3f8e4b16da2.jpg
h2
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h2
5271.2289998308
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h2
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https://tusur.ru/assets/statistics/09-2b863b5d2beb37ad03754db45de33332569607a96f7015e25acc16c38ad808d7.png
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h2
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h2
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Font
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Font
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Script
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XHR
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XHR
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Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
3045.69
10.248
3063.196
5.367
4563.019
37.248
4787.785
5.06
4904.262
345.536
5249.821
32.084
5283.048
6.725
5290.852
9.646
5300.776
194.733
5495.679
7.803
5504.146
16.578
5524.186
19.034
5556.994
41.33
5645.094
34.302
5724.437
49.05
5859.744
15.833
6017.597
21.685
6054.364
6.076
6178.653
5.636
9281.636
7.548
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Other

Avoid enormous network payloads — Total size was 3,515 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
713283
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267034
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205263
https://storage.tusur.ru/files/42652/581-309/promo-01.jpg
178794
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176587
https://tusur.ru/assets/PTSans-db9efb02624ae1915282bf97726ec48435253953571900984907c92d3d383811.woff
154323
https://tusur.ru/assets/application-6251bbe165bc8aba9cf945b6becb679166804c417a46e95b42fffa5a0722790c.css
125844
https://storage.tusur.ru/files/149772/475-317!mn/01.jpg
123339
https://tusur.ru/assets/promo/innovation-cb780697abee7f0bbf793432ef9c2d50421ad2a476915b99b5411fb6438b8ec1.png
120597
Reduce JavaScript execution time — 2.3 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
2093.432
1476.34
152.64
https://tusur.ru/en
647.276
27.148
10.564
Unattributable
532.676
14.736
0.728
https://mc.yandex.ru/metrika/watch.js
281.468
255.32
11.892
https://www.google-analytics.com/analytics.js
172.592
112.292
4.704
https://connect.facebook.net/signals/config/1158892427581562?v=2.9.52&r=stable
159.752
125.604
23.82
https://tusur.ru/assets/application-6251bbe165bc8aba9cf945b6becb679166804c417a46e95b42fffa5a0722790c.css
148.992
0
0
https://connect.facebook.net/en_US/fbevents.js
76.136
65.776
7.396

Metrics

First Contentful Paint — 8.5 s
The time taken for the first image or text on the page to be rendered.
Time to Interactive — 13.8 s
The time taken for the page to become fully interactive.
Speed Index — 15.3 s
The time taken for the page contents to be visibly populated.
Total Blocking Time — 640 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Largest Contentful Paint — 11.3 s
The timing of the largest text or image that is painted.

Audits

Max Potential First Input Delay — 690 ms
Users could experience a delay when interacting with the page.
First Meaningful Paint — 8.7 s
The time taken for the primary content of the page to be rendered.

Other

Eliminate render-blocking resources — Potential savings of 6,990 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Tusur.ru should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://tusur.ru/assets/application-6251bbe165bc8aba9cf945b6becb679166804c417a46e95b42fffa5a0722790c.css
125844
1380
https://profile.tusur.ru/assets/ptsans.css
330845
4080
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
713283
4980
Reduce unused CSS — Potential savings of 440 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Tusur.ru should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://profile.tusur.ru/assets/ptsans.css
330845
330845
https://tusur.ru/assets/application-6251bbe165bc8aba9cf945b6becb679166804c417a46e95b42fffa5a0722790c.css
125844
119958
Reduce unused JavaScript — Potential savings of 634 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
713283
552790
https://connect.facebook.net/signals/config/1158892427581562?v=2.9.52&r=stable
90542
71032
https://mc.yandex.ru/metrika/watch.js
50365
25144
Efficiently encode images — Potential savings of 848 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://storage.tusur.ru/files/121064/581-309/promo-04.jpg
204792
138365
https://storage.tusur.ru/files/135781/581-309/581.jpg
176116
114497
https://storage.tusur.ru/files/42652/581-309/promo-01.jpg
178323
108631
https://storage.tusur.ru/files/149772/475-317!mn/01.jpg
122869
73751
https://storage.tusur.ru/files/42661/581-309/promo-03.jpg
94234
67854
https://storage.tusur.ru/files/144960/256-206!n/01.jpg
71141
48986
https://storage.tusur.ru/files/144944/256-206!n/001.jpg
75219
47485
https://storage.tusur.ru/files/45083/581-309/tusur.jpg
61157
38802
https://storage.tusur.ru/files/144981/256-206!n/01%20(1).jpg
45166
32545
https://storage.tusur.ru/files/144207/203-126!mn/TUSUR_flazhki.jpg
38625
26170
https://storage.tusur.ru/files/147014/203-126!mn/01.jpg
30682
21106
https://storage.tusur.ru/files/145100/203-126!mn/01.jpg
28042
17623
https://tusur.ru/assets/social-twitter-8aeecb8b4442a05fe6f20688e12105c3a364a04b1aaa0b321e0e6394ddf4b66b.jpg
17453
16793
https://tusur.ru/assets/social-fb-f6418545a4c6ba837eb1f25dde7b64ad252cc6ab89b958d52543885615166b16.jpg
17091
16498
https://storage.tusur.ru/files/144266/203-126!mn/RUR.jpg
22143
14508
https://storage.tusur.ru/files/144947/100-66!n/004.jpg
14185
8743
https://storage.tusur.ru/files/144983/100-66!n/03.jpg
12901
8724
https://storage.tusur.ru/files/147211/203-126!mn/tusur_2021.jpg
24138
8393
https://storage.tusur.ru/files/144961/100-66!n/02.jpg
13595
8365
https://storage.tusur.ru/files/144945/100-66!n/002.jpg
12639
7634
https://storage.tusur.ru/files/144984/100-66!n/04.jpg
10960
7470
https://storage.tusur.ru/files/144946/100-66!n/003.jpg
12014
7438
https://storage.tusur.ru/files/144962/100-66!n/03.jpg
12052
7421
https://storage.tusur.ru/files/144982/100-66!n/02.jpg
10870
7198
https://storage.tusur.ru/files/147656/203-126!mn/tusur_spruce.jpg
21892
6848
https://storage.tusur.ru/files/144963/100-66!n/04.jpg
9598
6319
Serve images in next-gen formats — Potential savings of 1,463 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://storage.tusur.ru/files/116727/581-309/001.png
266564
243075.3
https://storage.tusur.ru/files/121064/581-309/promo-04.jpg
204792
171723.65
https://storage.tusur.ru/files/135781/581-309/581.jpg
176116
145924.05
https://storage.tusur.ru/files/42652/581-309/promo-01.jpg
178323
143810.4
https://storage.tusur.ru/files/149772/475-317!mn/01.jpg
122869
98390.3
https://tusur.ru/assets/promo/innovation-cb780697abee7f0bbf793432ef9c2d50421ad2a476915b99b5411fb6438b8ec1.png
120326
91893.7
https://storage.tusur.ru/files/42661/581-309/promo-03.jpg
94234
83573.4
https://storage.tusur.ru/files/144944/256-206!n/001.jpg
75219
61006.3
https://storage.tusur.ru/files/144960/256-206!n/01.jpg
71141
60211.85
https://storage.tusur.ru/files/45083/581-309/tusur.jpg
61157
52114.65
https://storage.tusur.ru/files/144981/256-206!n/01%20(1).jpg
45166
39503.55
https://tusur.ru/assets/footer-bg-9af1818a642dbe257fa3feb743b2d8aaae48ae6579016df3b834dd4c9376328b.png
81521
37933.8
https://storage.tusur.ru/files/144207/203-126!mn/TUSUR_flazhki.jpg
38625
32190.45
https://storage.tusur.ru/files/147014/203-126!mn/01.jpg
30682
25988
https://tusur.ru/assets/footer-submenu-point-de1159b4d3519a9a3c5fd9c32b579bbf41775672ff4bd8a2f9fe46ba92b9aa94.png
25360
25221.05
https://storage.tusur.ru/files/145100/203-126!mn/01.jpg
28042
22834.85
https://storage.tusur.ru/files/144266/203-126!mn/RUR.jpg
22143
18585.45
https://tusur.ru/assets/social-twitter-8aeecb8b4442a05fe6f20688e12105c3a364a04b1aaa0b321e0e6394ddf4b66b.jpg
17453
17172
https://tusur.ru/assets/social-fb-f6418545a4c6ba837eb1f25dde7b64ad252cc6ab89b958d52543885615166b16.jpg
17091
16854.75
https://storage.tusur.ru/files/147211/203-126!mn/tusur_2021.jpg
24138
15745.75
https://storage.tusur.ru/files/147656/203-126!mn/tusur_spruce.jpg
21892
14019
https://storage.tusur.ru/files/144947/100-66!n/004.jpg
14185
11288.5
https://storage.tusur.ru/files/144961/100-66!n/02.jpg
13595
10805.1
https://storage.tusur.ru/files/144983/100-66!n/03.jpg
12901
10789.55
https://storage.tusur.ru/files/144945/100-66!n/002.jpg
12639
10012.55
https://storage.tusur.ru/files/144946/100-66!n/003.jpg
12014
9598
https://storage.tusur.ru/files/144962/100-66!n/03.jpg
12052
9575.85
https://storage.tusur.ru/files/144984/100-66!n/04.jpg
10960
9259.5
https://storage.tusur.ru/files/144982/100-66!n/02.jpg
10870
9002.4
Avoid multiple page redirects — Potential savings of 1,110 ms
Redirects can cause additional delays before the page can begin loading. Tusur.ru should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://tusur.ru/
630
https://tusur.ru/
480
https://tusur.ru/en
0
Serve static assets with an efficient cache policy — 33 resources found
Tusur.ru can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
0
713283
https://profile.tusur.ru/assets/ptsans.css
0
330845
https://tusur.ru/assets/PTSans-db9efb02624ae1915282bf97726ec48435253953571900984907c92d3d383811.woff
0
154323
https://tusur.ru/assets/application-6251bbe165bc8aba9cf945b6becb679166804c417a46e95b42fffa5a0722790c.css
0
125844
https://tusur.ru/assets/promo/innovation-cb780697abee7f0bbf793432ef9c2d50421ad2a476915b99b5411fb6438b8ec1.png
0
120597
https://tusur.ru/assets/PTSerif-9929002a6e6fc5e87eacd58e61caa6e31e5b13774e24c57d57f6d5b17ec8fbed.woff
0
107683
https://tusur.ru/assets/footer-bg-9af1818a642dbe257fa3feb743b2d8aaae48ae6579016df3b834dd4c9376328b.png
0
81791
https://tusur.ru/assets/OfficinaSerifBookSCC-31932fc8e2b987735726896b5b72c53759785d1edb01700199dab1d64053bae3.woff
0
27237
https://tusur.ru/assets/footer-submenu-point-de1159b4d3519a9a3c5fd9c32b579bbf41775672ff4bd8a2f9fe46ba92b9aa94.png
0
25629
https://tusur.ru/assets/bootstrap/glyphicons-halflings-regular-fe185d11a49676890d47bb783312a0cda5a44c4039214094e7957b4c040ef11c.woff2
0
18312
https://tusur.ru/assets/social-twitter-8aeecb8b4442a05fe6f20688e12105c3a364a04b1aaa0b321e0e6394ddf4b66b.jpg
0
17723
https://tusur.ru/assets/social-fb-f6418545a4c6ba837eb1f25dde7b64ad252cc6ab89b958d52543885615166b16.jpg
0
17361
https://tusur.ru/assets/statistics/05-4aee4dcfc2e9070883d3bbdce32e33362fb524dc85daec1d1fc3cb76aa3a371e.png
0
15163
https://tusur.ru/assets/statistics/03-c90b09e5aeb80f900ca64a3e250e9f2fd394c6b6292e70b70117067ca2522d15.png
0
5933
https://tusur.ru/assets/logotype-ec8d3683128d186ea5458db2dc38dffd9c701a92a7265c30fb01350a8869307f.png
0
5331
https://tusur.ru/assets/statistics/07-50ecb43a157b60c524efe8149cff28ad3ae9f1173b924abe36def59b2a7b8b12.png
0
5096
https://tusur.ru/assets/statistics/01-b6339c740bbc89e8ca41dc9a2e6e34d252d9fee0a435f0dbcfecc7c1b3cfdd65.png
0
4646
https://tusur.ru/assets/statistics/08-1e9761d52a7cdc338977bf752093f5175111a05952775abdcfbd3598822ec7ca.png
0
4221
https://tusur.ru/assets/statistics/06-522d10bac430443840a57a1be7299f04cd6de5a8d1aaedfed98e5afae256a37d.png
0
3711
https://tusur.ru/assets/social-youtube-689671ff087d60fcd573744deb2bcd1e7c883ec1309010a34eacf6c23e64b941.jpg
0
2780
https://tusur.ru/assets/statistics/09-2b863b5d2beb37ad03754db45de33332569607a96f7015e25acc16c38ad808d7.png
0
2671
https://tusur.ru/assets/social-telegram-0143919e2d8808212e04d26ee31f4aa43fb05f06ee0b5eaf31e998c790a6220a.jpg
0
2603
https://tusur.ru/assets/statistics/04-ff84b40c18204efc75a77a4f785e3e08df76ebb0980e3a2c51ac26ee5b1d9486.png
0
2491
https://tusur.ru/assets/languages/rus-4c05762cffa003c72b0972f0c194f2541e9d9578df694cb091acc3f8e4b16da2.jpg
0
2220
https://tusur.ru/assets/cecutient-3032489d0ed678050d20f5e6995eed6a95323669ccff03fb8f852b1b7fba1d14.jpg
0
2216
https://tusur.ru/assets/social-instagram-65d5f3dc626a923bc316dd04e1a3820e32baf8131d30a0617ea399877af3d511.png
0
2042
https://tusur.ru/assets/statistics/02-6603006b98eee3ec784d3fb218e67a7e7e0f47516bc065655ed920da66e45841.png
0
2040
https://tusur.ru/assets/social-vk-5727f7de271e6278f9998a3f37952bd66c529fe09309742e7da8db1448a85a11.png
0
1725
https://connect.facebook.net/signals/config/1158892427581562?v=2.9.52&r=stable
1200000
90542
https://connect.facebook.net/en_US/fbevents.js
1200000
27429
https://mc.yandex.ru/metrika/watch.js
3600000
50365
https://mc.yandex.ru/metrika/advert.gif
3600000
374
https://www.google-analytics.com/analytics.js
7200000
20631
Minimize main-thread work — 4.1 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
2077.216
Other
662.904
Style & Layout
635.284
Parse HTML & CSS
232.928
Script Parsing & Compilation
211.744
Rendering
188
Garbage Collection
104.496
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://tusur.ru/assets/PTSans-db9efb02624ae1915282bf97726ec48435253953571900984907c92d3d383811.woff
683.17800015211
https://tusur.ru/assets/bootstrap/glyphicons-halflings-regular-fe185d11a49676890d47bb783312a0cda5a44c4039214094e7957b4c040ef11c.woff2
686.06999982148
https://tusur.ru/assets/OfficinaSerifBookSCC-31932fc8e2b987735726896b5b72c53759785d1edb01700199dab1d64053bae3.woff
195.52100030705
https://tusur.ru/assets/PTSerif-9929002a6e6fc5e87eacd58e61caa6e31e5b13774e24c57d57f6d5b17ec8fbed.woff
510.65099984407
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Source
SHOW DETAILS
Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
URL
https://storage.tusur.ru/files/144981/256-206!n/01%20(1).jpg
https://storage.tusur.ru/files/144960/256-206!n/01.jpg
https://storage.tusur.ru/files/144944/256-206!n/001.jpg
https://tusur.ru/assets/logotype-ec8d3683128d186ea5458db2dc38dffd9c701a92a7265c30fb01350a8869307f.png
https://storage.tusur.ru/files/144982/100-66!n/02.jpg
https://storage.tusur.ru/files/144983/100-66!n/03.jpg
https://storage.tusur.ru/files/144984/100-66!n/04.jpg
https://storage.tusur.ru/files/144961/100-66!n/02.jpg
https://storage.tusur.ru/files/144962/100-66!n/03.jpg
https://storage.tusur.ru/files/144963/100-66!n/04.jpg
https://storage.tusur.ru/files/144945/100-66!n/002.jpg
https://storage.tusur.ru/files/144946/100-66!n/003.jpg
https://storage.tusur.ru/files/144947/100-66!n/004.jpg
First Contentful Paint (3G) — 17941 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.
96

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of tusur.ru. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Contrast

Background and foreground colors have a sufficient contrast ratio
Many (if not most) users find low-contrast text difficult or impossible to read.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tusur.ru may provide assistance to deaf or hearing-impaired users with captions on videos.

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements
Degree programs

Names and labels

Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
69

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that tusur.ru should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
Bootstrap
3.3.7
Highcharts
4.1.9
jQuery
1.12.4
jQuery UI
1.9.2
AngularJS
1.5.11
core-js
core-js-pure@3.0.0
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://tusur.ru/
Allowed
Includes front-end JavaScript libraries with known security vulnerabilities — 25 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
SHOW DETAILS
5
Medium
SHOW DETAILS
4
High
SHOW DETAILS
4
Medium
SHOW DETAILS
3
High
SHOW DETAILS
9
High

Audits

Serves images with low resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
URL Displayed size Actual size Expected size
https://tusur.ru/assets/logotype-ec8d3683128d186ea5458db2dc38dffd9c701a92a7265c30fb01350a8869307f.png
275 x 32
285 x 33
550 x 64

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Source
SHOW DETAILS
SHOW DETAILS
Missing source maps for large first-party JavaScript
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://tusur.ru/assets/application-b2f336bb7ff2eee1edf7f859c386b524959377900a54de143212733160303ac6.js
88

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for tusur.ru. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of tusur.ru on mobile screens.
Document uses legible font sizes — 99.27% legible text
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Source Selector % of Page Text Font Size
SHOW DETAILS
.navbar-fixed-top .header .additional-capabilities a.cecutient, .navbar-fixed-top .header .additional-capabilities a.language
0.73%
0px
SHOW DETAILS
99.27%
≥ 12px

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Content Best Practices

Document does not have a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.

Mobile Friendly

Tap targets are not sized appropriately — 54% appropriately sized tap targets
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.
Tap Target Size Overlapping Target
News
28x15
Events
Events
34x15
Video gallery
History
36x15
Leadership structure
History
36x15
Mission and vision
Rankings
47x15
Mission and vision
Rankings
47x15
International
Leadership structure
101x15
ABOUT TUSUR
International
67x15
Contact information
Academic schedule
96x15
EDUCATION
Academic schedule
96x15
Study methods
Study methods
75x15
Project based group learning
Project based group learning
144x15
Russian language programs
Russian language programs
139x15
Grants, awards and internships
Campus life
60x15
Grants, awards and internships
Leading research groups
121x15
RESEARCH
Research units
73x15
Leading research groups
Research units
73x15
TUSUR Researchers & Publications
TUSUR Researchers & Publications
177x15
Joint research with foreign partners
Research internships
105x15
Joint research with foreign partners
Research internships
105x15
TUSUR Conferences
TUSUR Conferences
102x15
Research portfolio
Entrepreneurial infrastructure
150x15
ENTERPRISE
Entrepreneurial infrastructure
150x15
TUSUR and the Special Economic Zone of Tomsk
TUSUR and the Special Economic Zone of Tomsk
244x15
Alumni entrepreneurs about TUSUR
Alumni entrepreneurs about TUSUR
181x15
UNIQ: A Network of Spin-out Companies
UNIQ Companies
86x15
UNIQ: A Network of Spin-out Companies
UNIQ Companies
86x15
R&D projects for industry
R&D projects for industry
128x15
Triple Helix development model
Video gallery
67x15
Photo gallery

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
30

PWA

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of tusur.ru. This includes details about web app manifests.

PWA Optimized

Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of tusur.ru on mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Hosting

Server Location

Server IP Address: 88.204.75.155
Continent: Europe
Country: Russia
Russia Flag
Region:
City:
Longitude: 37.6068
Latitude: 55.7386
Currencies: RUB
Languages: Russian

Web Hosting Provider

Name IP Address
Tomsk State University of Systems Control and Radioelectronics
Registration

Domain Registrant

Private Registration: No
Name:
Organization: FGBOU VO \"Tomsk State University of Systems Control and Radioelectronics\"
Country:
City:
State:
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Safe
WOT Rating:
WOT Trustworthiness: 95/100
WOT Child Safety: 95/100
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Issued To: *.tusur.ru
Issued By: Sectigo RSA Organization Validation Secure Server CA
Valid From: 30th April, 2021
Valid To: 30th April, 2022
Subject: CN = *.tusur.ru
O = TUSUR, FGBOU VO "TUSUR", FGBOU VO "TOMSK GU SIST UPRAV I RADIOEL
L = GOROD TOMSK
S = RU
Hash: f5de9e1a
Issuer: CN = Sectigo RSA Organization Validation Secure Server CA
O = Sectigo Limited
S = GB
Version: 2
Serial Number: 14269743577861918332120600107497214261
Serial Number (Hex): 0ABC40AD60AE74518C74AD7133AED135
Valid From: 30th April, 2024
Valid To: 30th April, 2024
Signature Algorithm (Short Name): RSA-SHA256
Signature Algorithm (Long Name): sha256WithRSAEncryption
Authority Key Identifier: keyid:17:D9:D6:25:27:67:F9:31:C2:49:43:D9:30:36:44:8C:6C:A9:4F:EB
Extended Key Usage: TLS Web Server Authentication, TLS Web Client Authentication
CRL Distribution Points:
Full Name:
URI:http://crl.sectigo.com/SectigoRSAOrganizationValidationSecureServerCA.crl
Certificate Policies: Policy: 1.3.6.1.4.1.6449.1.2.1.3.4
CPS: https://sectigo.com/CPS
Policy: 2.23.140.1.2.2
Authority Information Access: CA Issuers - URI:http://crt.sectigo.com/SectigoRSAOrganizationValidationSecureServerCA.crt
OCSP - URI:http://ocsp.sectigo.com
SCT List: Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 46:A5:55:EB:75:FA:91:20:30:B5:A2:89:69:F4:F3:7D:
11:2C:41:74:BE:FD:49:B8:85:AB:F2:FC:70:FE:6D:47
Timestamp : Apr 30 10:18:58.961 2021 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:7F:C2:FB:20:C2:EF:B5:0B:3D:1B:5D:65:
F9:FA:D7:29:25:E7:FF:84:E8:27:77:C0:A7:E3:4D:A5:
FF:72:55:60:02:21:00:94:DF:FB:64:48:26:C1:B8:2A:
20:EF:2D:D7:8C:A5:F3:52:02:6D:1B:44:E7:B1:AD:A2:
F7:F7:F5:5D:E4:AB:D9
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : DF:A5:5E:AB:68:82:4F:1F:6C:AD:EE:B8:5F:4E:3E:5A:
EA:CD:A2:12:A4:6A:5E:8E:3B:12:C0:20:44:5C:2A:73
Timestamp : Apr 30 10:18:58.893 2021 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:A6:6D:B1:B6:C8:67:E1:18:80:E8:68:
DE:18:87:0C:A9:C4:59:B2:88:42:F7:51:B6:ED:F9:E1:
8B:01:8D:72:37:02:20:33:2C:F1:A9:95:08:3D:0C:DC:
40:16:FE:19:F4:51:C0:F1:5C:3A:A0:C2:5A:B3:E8:60:
57:65:F2:F8:1B:ED:7C
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 55:81:D4:C2:16:90:36:01:4A:EA:0B:9B:57:3C:53:F0:
C0:E4:38:78:70:25:08:17:2F:A3:AA:1D:07:13:D3:0C
Timestamp : Apr 30 10:18:58.850 2021 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:36:EB:FE:D8:EC:FE:21:07:43:72:A6:59:
50:15:30:FB:85:6F:26:C1:2A:BE:FC:67:4F:E9:A7:9F:
1E:56:B1:68:02:20:73:46:E6:E8:55:2F:A6:BC:FF:F2:
30:1B:77:AB:6A:2E:41:D7:F2:BE:4B:C8:EF:15:8B:1F:
AE:84:70:D7:CE:A1
Key Usage: Digital Signature, Key Encipherment
Basic Constraints: CA:FALSE
Subject Alternative Name: DNS:tusur.ru
DNS:*.tusur.ru
Technical

DNS Lookup

A Records

Host IP Address Class TTL
tusur.ru. 88.204.75.155 IN 3600

NS Records

Host Nameserver Class TTL
tusur.ru. dns.bma.su. IN 3600
tusur.ru. ns.tusur.ru. IN 3600
tusur.ru. ns2.tusur.ru. IN 3600

MX Records

Priority Host Server Class TTL
10 tusur.ru. mx1.tusur.ru. IN 3600
10 tusur.ru. mx2.tusur.ru. IN 3600

SOA Records

Domain Name Primary NS Responsible Email TTL
tusur.ru. ns.tusur.ru. hostmaster.tusur.ru. 3600

TXT Records

Host Value Class TTL
tusur.ru. v=spf1 IN 3600

HTTP Response Headers

HTTP-Code: HTTP/1.1 200 OK
Server: nginx
Date: 7th February, 2022
Content-Type: text/html; charset=utf-8
Cache-Control: max-age=0, private, must-revalidate
Connection: keep-alive
Keep-Alive: timeout=20
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
ETag: W/"cd5b556bd1c59d7a4d1bdb09f937ef79"
Set-Cookie: *
X-Request-Id: 58f53ad7-2926-4c53-8197-54614bc1d8bd
X-Runtime: 0.047273
Strict-Transport-Security: max-age=31536000; includeSubDomains

Whois Lookup

Created: 24th March, 1998
Changed:
Expires: 31st March, 2022
Registrar: RU-CENTER-RU
Status:
Nameservers: dns.bma.su
ns.tusur.ru
ns2.tusur.ru
Owner Organization: FGBOU VO \"Tomsk State University of Systems Control and Radioelectronics\"
Full Whois: % By submitting a query to RIPN's Whois Service
% you agree to abide by the following terms of use:
% http://www.ripn.net/about/servpol.html#3.2 (in Russian)
% http://www.ripn.net/about/en/servpol.html#3.2 (in English).

domain: TUSUR.RU
nserver: dns.bma.su.
nserver: ns2.tusur.ru. 88.204.75.133
nserver: ns.tusur.ru. 212.192.120.60
state: REGISTERED, DELEGATED, VERIFIED
org: FGBOU VO "Tomsk State University of Systems Control and Radioelectronics"
registrar: RU-CENTER-RU
admin-contact: https://www.nic.ru/whois
created: 1998-03-24T10:35:05Z
paid-till: 2022-03-31T21:00:00Z
free-date: 2022-05-02
source: TCI

Last updated on 2022-02-07T16:06:30Z
View Raw Whois

Nameservers

Name IP Address
dns.bma.su 5.45.112.184
ns.tusur.ru 212.192.120.60
ns2.tusur.ru 88.204.75.133
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