Tools & Wizards About Us
sibran.ru screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

sibran.ru

Главная

Page Load Speed

24.6 sec in total

First Response

786 ms

Resources Loaded

23.7 sec

Page Rendered

112 ms

sibran.ru screenshot

About Website

Visit sibran.ru now to see the best up-to-date Sibran content for Russia and also check out these interesting facts you probably never knew about sibran.ru

Научные журналы, полные тексты статей, научные книги, разработки ученых СО РАН

Visit sibran.ru

Key Findings

We analyzed Sibran.ru page load time and found that the first response time was 786 ms and then it took 23.8 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.

Performance Metrics

sibran.ru performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

sibran.ru

786 ms

sibran.ru

1315 ms

jquery-1.4.2.min.js

570 ms

kernel_main.css

848 ms

page_5ec5d67d5b8bd1e977dddcb5c73b5f96.css

850 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 61% of them (30 requests) were addressed to the original Sibran.ru, 14% (7 requests) were made to Journals.sibran.ru and 8% (4 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (19.5 sec) relates to the external source Openstat.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.3 kB (16%)

Content Size

564.5 kB

After Optimization

475.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sibran.ru main page is 564.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 345.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 25.4 kB

  • Original 33.1 kB
  • After minification 29.9 kB
  • After compression 7.7 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 25.4 kB or 77% of the original size.

Image Optimization

-10%

Potential reduce by 17.2 kB

  • Original 166.4 kB
  • After minification 149.3 kB

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. Sibran images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 40.9 kB

  • Original 345.6 kB
  • After minification 345.4 kB
  • After compression 304.7 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 40.9 kB or 12% of the original size.

CSS Optimization

-30%

Potential reduce by 5.8 kB

  • Original 19.4 kB
  • After minification 19.1 kB
  • After compression 13.6 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. Sibran.ru needs all CSS files to be minified and compressed as it can save up to 5.8 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (47%)

Requests Now

43

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sibran. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sibran.ru

sibran.ru

786 ms

sibran.ru

sibran.ru

1315 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

570 ms

kernel_main.css

kernel_main.css

848 ms

page_5ec5d67d5b8bd1e977dddcb5c73b5f96.css

page_5ec5d67d5b8bd1e977dddcb5c73b5f96.css

850 ms

template_c50978a0eed517fb4ef0a5d85b06cce0.css

template_c50978a0eed517fb4ef0a5d85b06cce0.css

854 ms

kernel_main.js

kernel_main.js

1150 ms

ajax.min.js

ajax.min.js

864 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

1412 ms

template_1ffa60c23fd4dee77821e5ff66578123.js

template_1ffa60c23fd4dee77821e5ff66578123.js

1132 ms

script.js

script.js

1137 ms

all.js

all.js

1148 ms

highslide.js

highslide.js

2038 ms

highslide.css

highslide.css

1421 ms

ba.js

ba.js

281 ms

basket_link.php

basket_link.php

1448 ms

3_1_FFFFFFFF_EFEFEFFF_0_pageviews

3_1_FFFFFFFF_EFEFEFFF_0_pageviews

624 ms

_logo.png

_logo.png

285 ms

sigma.png

sigma.png

443 ms

ran.jpg

ran.jpg

567 ms

icon_market.gif

icon_market.gif

286 ms

4cb46fcb717e131caef51219ad6d7059.png

4cb46fcb717e131caef51219ad6d7059.png

283 ms

3b4e0093519cec96a860cacd325250ac.png

3b4e0093519cec96a860cacd325250ac.png

285 ms

5b83dfa5dd40140d9ea1e09f68d001ac.gif

5b83dfa5dd40140d9ea1e09f68d001ac.gif

858 ms

94ffb187873f62d2c8b670b15184e14c.jpg

94ffb187873f62d2c8b670b15184e14c.jpg

859 ms

205bae8a24ff511f04c62e526c5355f9.jpg

205bae8a24ff511f04c62e526c5355f9.jpg

597 ms

ffa360946c36457f4e0c0bd0c98bd6ff.jpg

ffa360946c36457f4e0c0bd0c98bd6ff.jpg

601 ms

8e5a9788947971b7d60474f34825f1d7.jpg

8e5a9788947971b7d60474f34825f1d7.jpg

845 ms

ebeebe116c40b06eb991ff696e5ee7f4.jpg

ebeebe116c40b06eb991ff696e5ee7f4.jpg

848 ms

6517b62425c5f36237d1096be24fff7f.jpg

6517b62425c5f36237d1096be24fff7f.jpg

882 ms

8f2e47b5b94e3b5c6ac390d0f576803d.jpg

8f2e47b5b94e3b5c6ac390d0f576803d.jpg

885 ms

tag.js

tag.js

906 ms

cnt.js

cnt.js

19534 ms

top100.js

top100.js

888 ms

bul.png

bul.png

1211 ms

watch.js

watch.js

5 ms

bx_stat

bx_stat

185 ms

advert.gif

advert.gif

791 ms

print.css

print.css

286 ms

page_d93350e572a92a4ca3cc1c77f11f91ba.css

page_d93350e572a92a4ca3cc1c77f11f91ba.css

286 ms

template_85c0e4d37e881e985818eabe0334d66d.css

template_85c0e4d37e881e985818eabe0334d66d.css

569 ms

ajax.min.js

ajax.min.js

838 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

1129 ms

template_afd5377aa208ee16a992499a35b5d542.js

template_afd5377aa208ee16a992499a35b5d542.js

853 ms

page_2216245890f3fabdd10924a373c0af0f.js

page_2216245890f3fabdd10924a373c0af0f.js

855 ms

sync_cookie_image_decide

sync_cookie_image_decide

179 ms

1

1

138 ms

bx_stat

bx_stat

188 ms

1

1

310 ms

Accessibility Review

sibran.ru accessibility score

63

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

sibran.ru best practices score

50

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sibran.ru SEO score

67

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sibran.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Sibran.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

sibran.ru

Open Graph description is not detected on the main page of Sibran. 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: