Tools & Wizards About Us
sibur.ru screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

sibur.ru

ПАО «СИБУР Холдинг» - официальный сайт

Page Load Speed

5.5 sec in total

First Response

496 ms

Resources Loaded

4.8 sec

Page Rendered

154 ms

sibur.ru screenshot

About Website

Welcome to sibur.ru homepage info - get ready to check Sibur best content for Russia right away, or after learning these important things about sibur.ru

Официальный сайт группы компаний СИБУР

Visit sibur.ru

Key Findings

We analyzed Sibur.ru page load time and found that the first response time was 496 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

sibur.ru performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value17.0 s

0/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.049

99/100

15%

TTI (Time to Interactive)

Value20.1 s

2/100

10%

Network Requests Diagram

sibur.ru

496 ms

sibur.ru

149 ms

595 ms

common.css

409 ms

style.css

147 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 83% of them (81 requests) were addressed to the original Sibur.ru, 12% (12 requests) were made to Chatbot.sibur.ru and 2% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Sibur.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 451.6 kB (3%)

Content Size

14.7 MB

After Optimization

14.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sibur.ru main page is 14.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 13.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 132.9 kB

  • Original 163.2 kB
  • After minification 162.1 kB
  • After compression 30.3 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 132.9 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 151.0 kB

  • Original 13.5 MB
  • After minification 13.3 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. Sibur images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 121.1 kB

  • Original 907.6 kB
  • After minification 907.6 kB
  • After compression 786.5 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 121.1 kB or 13% of the original size.

CSS Optimization

-27%

Potential reduce by 46.6 kB

  • Original 175.9 kB
  • After minification 175.9 kB
  • After compression 129.3 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. Sibur.ru needs all CSS files to be minified and compressed as it can save up to 46.6 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (15%)

Requests Now

81

After Optimization

69

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sibur. 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 as a result speed up the page load time.

Network Requests Diagram

sibur.ru

sibur.ru

496 ms

sibur.ru

sibur.ru

149 ms

595 ms

common.css

common.css

409 ms

style.css

style.css

147 ms

715 ms

close.svg

close.svg

586 ms

chat.svg

chat.svg

583 ms

telegram.svg

telegram.svg

585 ms

viber.svg

viber.svg

586 ms

whatsapp.svg

whatsapp.svg

274 ms

close-green.svg

close-green.svg

402 ms

es5.js

es5.js

582 ms

contacts.js

contacts.js

580 ms

jquery-3.7.1.js

jquery-3.7.1.js

788 ms

jquery-3.7.1.min.js

jquery-3.7.1.min.js

662 ms

jquery-3.7.1.min.map.js

jquery-3.7.1.min.map.js

810 ms

common.js

common.js

959 ms

barba.js

barba.js

856 ms

script.js

script.js

707 ms

f2e1qi3a5y7ghgt77snb803u52o0e010.svg

f2e1qi3a5y7ghgt77snb803u52o0e010.svg

806 ms

stub-for-pictures.png

stub-for-pictures.png

835 ms

1.jpg

1.jpg

1183 ms

5.jpg

5.jpg

1051 ms

4.jpg

4.jpg

1221 ms

4.jpg

4.jpg

2068 ms

2.jpg

2.jpg

1039 ms

1.jpg

1.jpg

1248 ms

2.jpg

2.jpg

1163 ms

3.jpg

3.jpg

1576 ms

4.jpg

4.jpg

1315 ms

5.jpg

5.jpg

1454 ms

6.jpg

6.jpg

1356 ms

7.jpg

7.jpg

1389 ms

7.jpg

7.jpg

1461 ms

8.jpg

8.jpg

1503 ms

3.jpg

3.jpg

1536 ms

6.jpg

6.jpg

1610 ms

8.jpg

8.jpg

1618 ms

1.jpg

1.jpg

1779 ms

2.jpg

2.jpg

1785 ms

3.jpg

3.jpg

1653 ms

7.jpg

7.jpg

1353 ms

4.jpg

4.jpg

1348 ms

5.jpg

5.jpg

1345 ms

6.jpg

6.jpg

1386 ms

1-3.jpg

1-3.jpg

1385 ms

Roboto-Regular.ttf

Roboto-Regular.ttf

1417 ms

Roboto-Bold.ttf

Roboto-Bold.ttf

1489 ms

DINPro-Bold.woff

DINPro-Bold.woff

1477 ms

roboto-slab-v24-latin-regular.ttf

roboto-slab-v24-latin-regular.ttf

1410 ms

WavAudioEncoder.min.js

WavAudioEncoder.min.js

125 ms

app.51d9285d.css

app.51d9285d.css

495 ms

vendor.020b3d83.js

vendor.020b3d83.js

1088 ms

app.b6717bb3.js

app.b6717bb3.js

483 ms

runtime.20c12293.js

runtime.20c12293.js

378 ms

1-2.png

1-2.png

1438 ms

1-1.png

1-1.png

1454 ms

5.jpg

5.jpg

1354 ms

2.jpg

2.jpg

1805 ms

3.jpg

3.jpg

1364 ms

6.jpg

6.jpg

1355 ms

ba.js

ba.js

285 ms

tag.js

tag.js

946 ms

bg-sm.jpeg

bg-sm.jpeg

1194 ms

1-sm.jpg

1-sm.jpg

1258 ms

2-sm.jpg

2-sm.jpg

1284 ms

4-sm.jpg

4-sm.jpg

1205 ms

5-sm.jpg

5-sm.jpg

1199 ms

bg-sm.jpeg

bg-sm.jpeg

1166 ms

1-sm.jpg

1-sm.jpg

1182 ms

bx_stat

bx_stat

183 ms

2-sm.jpg

2-sm.jpg

1155 ms

4-sm.jpg

4-sm.jpg

1148 ms

bg-sm.jpeg

bg-sm.jpeg

1129 ms

1.jpg

1.jpg

1060 ms

2-sm.jpg

2-sm.jpg

1097 ms

5-sm.jpg

5-sm.jpg

1100 ms

6-sm.jpg

6-sm.jpg

1105 ms

7-sm.jpg

7-sm.jpg

1068 ms

3-sm.jpg

3-sm.jpg

1045 ms

8-sm.jpg

8-sm.jpg

1069 ms

4-sm.jpg

4-sm.jpg

1001 ms

bg-sm.jpeg

bg-sm.jpeg

965 ms

1-sm.jpg

1-sm.jpg

865 ms

2-sm.jpg

2-sm.jpg

858 ms

3-sm.jpg

3-sm.jpg

873 ms

KFOmCnqEu92Fr1Mu4mxM.49ae34d4.woff

KFOmCnqEu92Fr1Mu4mxM.49ae34d4.woff

248 ms

KFOlCnqEu92Fr1MmEU9fBBc-.cea99d3e.woff

KFOlCnqEu92Fr1MmEU9fBBc-.cea99d3e.woff

243 ms

KFOlCnqEu92Fr1MmSU5fBBc-.865f928c.woff

KFOlCnqEu92Fr1MmSU5fBBc-.865f928c.woff

148 ms

KFOkCnqEu92Fr1MmgVxIIzQ.a45108d3.woff

KFOkCnqEu92Fr1MmgVxIIzQ.a45108d3.woff

250 ms

KFOlCnqEu92Fr1MmWUlfBBc-.2267169e.woff

KFOlCnqEu92Fr1MmWUlfBBc-.2267169e.woff

253 ms

KFOlCnqEu92Fr1MmYUtfBBc-.bac8362e.woff

KFOlCnqEu92Fr1MmYUtfBBc-.bac8362e.woff

245 ms

4-sm.jpg

4-sm.jpg

897 ms

captcha.php

captcha.php

990 ms

advert.gif

advert.gif

554 ms

roboto-slab-v24-latin-regular.woff

roboto-slab-v24-latin-regular.woff

736 ms

1

1

142 ms

Accessibility Review

sibur.ru accessibility score

75

Accessibility Issues

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

Buttons do not have an accessible name

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

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.

Best Practices

sibur.ru best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

sibur.ru SEO score

86

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

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

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sibur.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 Sibur.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

sibur.ru

Open Graph data is detected on the main page of Sibur. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: