Tools & Wizards About Us
sibran.ru screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

sibran.ru

Главная

Page Load Speed

4.1 sec in total

First Response

911 ms

Resources Loaded

3 sec

Page Rendered

197 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 911 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

sibran.ru performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value330 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

sibran.ru

911 ms

jquery-1.4.2.min.js

621 ms

kernel_main.css

474 ms

page_587a14e5d6ed10c051e8e065685a320c.css

471 ms

template_1e6a247609945d632da796782a190b59.css

474 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 8% of them (4 requests) were addressed to the original Sibran.ru, 25% (13 requests) were made to Sibran.ru.images.1c-bitrix-cdn.ru and 20% (10 requests) were made to Sibran.ru.css.1c-bitrix-cdn.ru. The less responsive or slowest element that took the longest time to load (911 ms) belongs to the original domain Sibran.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 475.6 kB (63%)

Content Size

757.1 kB

After Optimization

281.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sibran.ru main page is 757.1 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. 30% of websites need less resources to load. Javascripts take 501.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 25.6 kB

  • Original 34.1 kB
  • After minification 31.4 kB
  • After compression 8.5 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 25.6 kB or 75% of the original size.

Image Optimization

-13%

Potential reduce by 18.3 kB

  • Original 136.1 kB
  • After minification 117.8 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. Obviously, Sibran needs image optimization as it can save up to 18.3 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 359.7 kB

  • Original 501.6 kB
  • After minification 483.4 kB
  • After compression 141.9 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 359.7 kB or 72% of the original size.

CSS Optimization

-84%

Potential reduce by 72.0 kB

  • Original 85.3 kB
  • After minification 74.1 kB
  • After compression 13.3 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. Sibran.ru needs all CSS files to be minified and compressed as it can save up to 72.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (50%)

Requests Now

46

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 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 13 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

911 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

621 ms

kernel_main.css

kernel_main.css

474 ms

page_587a14e5d6ed10c051e8e065685a320c.css

page_587a14e5d6ed10c051e8e065685a320c.css

471 ms

template_1e6a247609945d632da796782a190b59.css

template_1e6a247609945d632da796782a190b59.css

474 ms

kernel_main.js

kernel_main.js

714 ms

ajax.min.js

ajax.min.js

508 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

634 ms

template_6c561d1618f7aa0a627dfcd3a2c40778.js

template_6c561d1618f7aa0a627dfcd3a2c40778.js

508 ms

script.js

script.js

514 ms

all.js

all.js

633 ms

highslide.js

highslide.js

743 ms

highslide.css

highslide.css

473 ms

top100.jcn

top100.jcn

395 ms

print.css

print.css

148 ms

ba.js

ba.js

172 ms

_logo.png

_logo.png

379 ms

sigma.png

sigma.png

95 ms

basket_link.php

basket_link.php

569 ms

3_1_FFFFFFFF_EFEFEFFF_0_pageviews

3_1_FFFFFFFF_EFEFEFFF_0_pageviews

230 ms

banner-88x31-rambler-darkblue2.gif

banner-88x31-rambler-darkblue2.gif

255 ms

top100.cnt

top100.cnt

124 ms

yamoney_button.gif

yamoney_button.gif

559 ms

logo.gif

logo.gif

368 ms

title.png

title.png

374 ms

4cb46fcb717e131caef51219ad6d7059.png

4cb46fcb717e131caef51219ad6d7059.png

372 ms

3b4e0093519cec96a860cacd325250ac.png

3b4e0093519cec96a860cacd325250ac.png

373 ms

5b83dfa5dd40140d9ea1e09f68d001ac.gif

5b83dfa5dd40140d9ea1e09f68d001ac.gif

465 ms

94ffb187873f62d2c8b670b15184e14c.jpg

94ffb187873f62d2c8b670b15184e14c.jpg

661 ms

2ec0bd5d188756bcac001df2d1bd349c.jpg

2ec0bd5d188756bcac001df2d1bd349c.jpg

491 ms

13a3c24542ee353cca1e0eef89585ea9.jpg

13a3c24542ee353cca1e0eef89585ea9.jpg

463 ms

b473208ab8b679406b772a263004daeb.jpg

b473208ab8b679406b772a263004daeb.jpg

462 ms

45857e0d6814e2c9b5b7032977502998.jpg

45857e0d6814e2c9b5b7032977502998.jpg

492 ms

3f3d4ed4888d9264f48bcc4ca9d193b1.jpg

3f3d4ed4888d9264f48bcc4ca9d193b1.jpg

576 ms

0a6c6068dcbaed3aec1d7bf02f2d8d81.jpg

0a6c6068dcbaed3aec1d7bf02f2d8d81.jpg

575 ms

icon_market.gif

icon_market.gif

96 ms

watch.js

watch.js

0 ms

cnt

cnt

413 ms

bul.png

bul.png

92 ms

watch.js

watch.js

11 ms

top100.scn

top100.scn

209 ms

bx_stat

bx_stat

211 ms

u2326.54.spylog.com

u2326.54.spylog.com

284 ms

page_4fa71a8ff3dc63fedfc093f7cb0b4da1.css

page_4fa71a8ff3dc63fedfc093f7cb0b4da1.css

120 ms

template_c13e83f6007d319416fb658ef00a35cd.css

template_c13e83f6007d319416fb658ef00a35cd.css

92 ms

page_9902c91af998c93991fb19aa64f9f7fa.js

page_9902c91af998c93991fb19aa64f9f7fa.js

95 ms

bx_stat

bx_stat

518 ms

cnt

cnt

325 ms

rounded-white.png

rounded-white.png

142 ms

loader.white.gif

loader.white.gif

154 ms

zoomout.cur

zoomout.cur

264 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: