Tools & Wizards About Us
sfu-kras.ru screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

sfu-kras.ru

Siberian Federal University

Page Load Speed

26.5 sec in total

First Response

678 ms

Resources Loaded

25.4 sec

Page Rendered

451 ms

sfu-kras.ru screenshot

About Website

Click here to check amazing Sfu Kras content for Russia. Otherwise, check out these important facts you probably never knew about sfu-kras.ru

Сибирский федеральный университет (СФУ) входит в топ-15 вузов России. Ведущие научные школы Красноярска. Лучший в России кампус. Мировые индустриальные партнёры

Visit sfu-kras.ru

Key Findings

We analyzed Sfu-kras.ru page load time and found that the first response time was 678 ms and then it took 25.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sfu-kras.ru performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value17.0 s

0/100

10%

TBT (Total Blocking Time)

Value1,670 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.102

89/100

15%

TTI (Time to Interactive)

Value21.6 s

1/100

10%

Network Requests Diagram

sfu-kras.ru

678 ms

www.sfu-kras.ru

750 ms

www.sfu-kras.ru

1478 ms

tag.js

824 ms

masha.css

549 ms

Our browser made a total of 129 requests to load all elements on the main page. We found that 84% of them (109 requests) were addressed to the original Sfu-kras.ru, 9% (12 requests) were made to News.sfu-kras.ru and 2% (3 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Stat.sputnik.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (31%)

Content Size

4.8 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sfu-kras.ru main page is 4.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 174.6 kB

  • Original 201.3 kB
  • After minification 186.1 kB
  • After compression 26.7 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 174.6 kB or 87% of the original size.

Image Optimization

-9%

Potential reduce by 273.0 kB

  • Original 3.2 MB
  • After minification 2.9 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Sfu Kras images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 438.1 kB

  • Original 663.0 kB
  • After minification 526.4 kB
  • After compression 224.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 438.1 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 640.8 kB

  • Original 777.2 kB
  • After minification 589.0 kB
  • After compression 136.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Sfu-kras.ru needs all CSS files to be minified and compressed as it can save up to 640.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (50%)

Requests Now

125

After Optimization

62

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sfu Kras. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sfu-kras.ru

sfu-kras.ru

678 ms

www.sfu-kras.ru

www.sfu-kras.ru

750 ms

www.sfu-kras.ru

www.sfu-kras.ru

1478 ms

tag.js

tag.js

824 ms

masha.css

masha.css

549 ms

sfu_home.css

sfu_home.css

550 ms

node_breadcrumb.css

node_breadcrumb.css

552 ms

node.css

node.css

552 ms

poll.css

poll.css

551 ms

defaults.css

defaults.css

778 ms

system.css

system.css

602 ms

user.css

user.css

603 ms

content.css

content.css

602 ms

style.css

style.css

603 ms

date.css

date.css

728 ms

fieldgroup.css

fieldgroup.css

787 ms

style_.css

style_.css

1514 ms

slick.css

slick.css

788 ms

slick-theme.css

slick-theme.css

798 ms

style.css

style.css

1697 ms

legacy.css

legacy.css

917 ms

print.css

print.css

970 ms

photoswipe.css

photoswipe.css

972 ms

jquery.webui-popover.min.css

jquery.webui-popover.min.css

989 ms

default-skin.css

default-skin.css

1101 ms

style.css

style.css

1154 ms

jquery.webui-popover.min.js

jquery.webui-popover.min.js

1337 ms

slick.min.js

slick.min.js

1354 ms

icons.css

icons.css

1108 ms

icons.js

icons.js

1162 ms

drupal.js

drupal.js

931 ms

functions.js

functions.js

983 ms

masha.min.js

masha.min.js

1170 ms

masha.js

masha.js

999 ms

js.cookie.js

js.cookie.js

1115 ms

jquery.autocolumnlist.min.js

jquery.autocolumnlist.min.js

1170 ms

photoswipe.js

photoswipe.js

1528 ms

photoswipe-ui-default.min.js

photoswipe-ui-default.min.js

1183 ms

sly.min.js

sly.min.js

1299 ms

legacy.js

legacy.js

1338 ms

common.js

common.js

1523 ms

1

1

124 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

546 ms

jquery-1.3.2.min.js

jquery-1.3.2.min.js

368 ms

priority2030.svg

priority2030.svg

226 ms

dp.jpg

dp.jpg

1852 ms

kubok_rektora.jpg

kubok_rektora.jpg

1498 ms

avto_2.jpg

avto_2.jpg

1678 ms

lekciya_8_maya_480h270.jpg

lekciya_8_maya_480h270.jpg

1505 ms

rosgeologiya.jpeg

rosgeologiya.jpeg

1333 ms

dsc_2874-6_1.jpg

dsc_2874-6_1.jpg

1774 ms

obraz_0_0_0.jpg

obraz_0_0_0.jpg

1509 ms

lekciya_17_maya_480h270.jpg

lekciya_17_maya_480h270.jpg

1963 ms

den_sporta_0.jpg

den_sporta_0.jpg

1793 ms

itisu_3.jpg

itisu_3.jpg

1977 ms

lekciya_7_iyunya_plazmy.jpg

lekciya_7_iyunya_plazmy.jpg

2043 ms

eniseyskaya_fotonika.jpg

eniseyskaya_fotonika.jpg

1993 ms

mySfu_orange.svg

mySfu_orange.svg

368 ms

mail_orange.svg

mail_orange.svg

377 ms

timetable.svg

timetable.svg

369 ms

appeal.svg

appeal.svg

399 ms

library.svg

library.svg

402 ms

ecours.svg

ecours.svg

404 ms

pay.svg

pay.svg

550 ms

ino.svg

ino.svg

552 ms

pressa.svg

pressa.svg

559 ms

more.svg

more.svg

600 ms

mfsh.svg

mfsh.svg

601 ms

privivka.svg

privivka.svg

604 ms

snoword.svg

snoword.svg

735 ms

ourSmi.svg

ourSmi.svg

736 ms

sfuScince.svg

sfuScince.svg

743 ms

edo.svg

edo.svg

802 ms

digital.svg

digital.svg

803 ms

main-logo-mobile.svg

main-logo-mobile.svg

211 ms

main-logo-short.svg

main-logo-short.svg

215 ms

main-logo.svg

main-logo.svg

216 ms

2024-05-09.jpg

2024-05-09.jpg

556 ms

2024-05-08-ROZ.jpg

2024-05-08-ROZ.jpg

376 ms

2024-ppc2.jpg

2024-ppc2.jpg

922 ms

2021_priority2030.jpg

2021_priority2030.jpg

558 ms

rec-slider.jpg

rec-slider.jpg

577 ms

simage17.png

simage17.png

382 ms

simage14.png

simage14.png

575 ms

simage13.png

simage13.png

581 ms

simage_11.png

simage_11.png

743 ms

simage4.png

simage4.png

744 ms

simage6.png

simage6.png

770 ms

simage7.png

simage7.png

773 ms

simage9.png

simage9.png

772 ms

simage.png

simage.png

929 ms

simage1.png

simage1.png

930 ms

simage2.png

simage2.png

977 ms

simage3.png

simage3.png

958 ms

opensans-regular.woff

opensans-regular.woff

941 ms

opensans-light.woff

opensans-light.woff

1086 ms

opensans-semibold.woff

opensans-semibold.woff

1101 ms

opensans-bold.woff

opensans-bold.woff

1276 ms

opensans-extrabold.woff

opensans-extrabold.woff

1132 ms

sfu-signature-ru.svg

sfu-signature-ru.svg

1133 ms

sfu-signature-a-sign.svg

sfu-signature-a-sign.svg

1102 ms

sfu-signature-en.svg

sfu-signature-en.svg

1245 ms

main-slider-control-prev.svg

main-slider-control-prev.svg

1260 ms

main-slider-control-next.svg

main-slider-control-next.svg

1285 ms

style_.css

style_.css

1469 ms

footer-top-back-top.jpg

footer-top-back-top.jpg

1235 ms

footer-top-back-tile.jpg

footer-top-back-tile.jpg

1378 ms

vk.svg

vk.svg

1377 ms

telegram.svg

telegram.svg

1380 ms

odnoklassniki.svg

odnoklassniki.svg

1416 ms

cnt.js

cnt.js

20187 ms

hit

hit

511 ms

opensans-italic.woff

opensans-italic.woff

1330 ms

opensans-lightitalic.woff

opensans-lightitalic.woff

1742 ms

opensans-semibolditalic.woff

opensans-semibolditalic.woff

1555 ms

advert.gif

advert.gif

185 ms

opensans-bolditalic.woff

opensans-bolditalic.woff

1416 ms

opensans-extrabolditalic.woff

opensans-extrabolditalic.woff

1435 ms

openapi.a2ed73393cad04481c1dfb3f7794921f.js

openapi.a2ed73393cad04481c1dfb3f7794921f.js

251 ms

dzen.svg

dzen.svg

1233 ms

youtube.svg

youtube.svg

1232 ms

lang-select.png

lang-select.png

1397 ms

upmsg_bg.png

upmsg_bg.png

1397 ms

upmsg_closebtn.png

upmsg_closebtn.png

1409 ms

nDs.svg

nDs.svg

1230 ms

nEk.svg

nEk.svg

1244 ms

rtrg

rtrg

138 ms

ajax-loader.gif

ajax-loader.gif

1399 ms

1

1

245 ms

Accessibility Review

sfu-kras.ru accessibility score

91

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

sfu-kras.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sfu-kras.ru SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sfu-kras.ru can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Russian language. Our system also found out that Sfu-kras.ru main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

sfu-kras.ru

Open Graph description is not detected on the main page of Sfu Kras. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: