Tools & Wizards About Us
centrattek.ru screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

centrattek.ru

Attek Group, Attek - консалтинговый центр независимая экспертиза

Page Load Speed

5.5 sec in total

First Response

448 ms

Resources Loaded

4 sec

Page Rendered

1.1 sec

centrattek.ru screenshot

About Website

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

Attek Group оказывает услуги по проведению специальной оценки условий труда и сертификации. По всем вопросам звоните по телефону 8 800 333-25-40

Visit centrattek.ru

Key Findings

We analyzed Centrattek.ru page load time and found that the first response time was 448 ms and then it took 5.1 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

centrattek.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value2,530 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

centrattek.ru

448 ms

www.centrattek.ru

1729 ms

reindex_css-5773ede66fb8d367f674.css

573 ms

reindex_css-7b5bd5fd436d1a4d539c.js

351 ms

reindex-f9ca8c7e05cbabf0c93a.css

353 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 90% of them (61 requests) were addressed to the original Centrattek.ru, 3% (2 requests) were made to Vk.com and 3% (2 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Centrattek.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 628.8 kB (34%)

Content Size

1.8 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centrattek.ru main page is 1.8 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. 50% of websites need less resources to load. HTML takes 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-44%

Potential reduce by 576.5 kB

  • Original 1.3 MB
  • After minification 1.2 MB
  • After compression 719.1 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 576.5 kB or 44% of the original size.

Image Optimization

-9%

Potential reduce by 31.3 kB

  • Original 347.5 kB
  • After minification 316.3 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. Centr Attek images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.9 kB

  • Original 106.6 kB
  • After minification 106.6 kB
  • After compression 103.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-19%

Potential reduce by 18.1 kB

  • Original 95.4 kB
  • After minification 95.4 kB
  • After compression 77.3 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. Centrattek.ru needs all CSS files to be minified and compressed as it can save up to 18.1 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (28%)

Requests Now

60

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centr Attek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

centrattek.ru

centrattek.ru

448 ms

www.centrattek.ru

www.centrattek.ru

1729 ms

reindex_css-5773ede66fb8d367f674.css

reindex_css-5773ede66fb8d367f674.css

573 ms

reindex_css-7b5bd5fd436d1a4d539c.js

reindex_css-7b5bd5fd436d1a4d539c.js

351 ms

reindex-f9ca8c7e05cbabf0c93a.css

reindex-f9ca8c7e05cbabf0c93a.css

353 ms

cookies.svg

cookies.svg

114 ms

centrattek_logo.svg

centrattek_logo.svg

118 ms

whatsapp.png

whatsapp.png

344 ms

telegram.png

telegram.png

325 ms

viber.png

viber.png

344 ms

phone.svg

phone.svg

345 ms

mail.svg

mail.svg

441 ms

map.svg

map.svg

439 ms

search.svg

search.svg

446 ms

back.svg

back.svg

448 ms

tag.js

tag.js

1122 ms

arrow-down384245107e9bb7d1c165699daaabefac.svg

arrow-down384245107e9bb7d1c165699daaabefac.svg

435 ms

edu-btn-bgae1299a4833e6632910b85d1dc31ff92.svg

edu-btn-bgae1299a4833e6632910b85d1dc31ff92.svg

441 ms

journal-btn-bg26bedd06cf082ac4ef458d7eb7be5958.svg

journal-btn-bg26bedd06cf082ac4ef458d7eb7be5958.svg

538 ms

roboto-all-400-normal62b936e168110e58e89e70ec82e22755.woff

roboto-all-400-normal62b936e168110e58e89e70ec82e22755.woff

711 ms

roboto-all-500-normal68d75d959b2a0e9958b11d781338c8f7.woff

roboto-all-500-normal68d75d959b2a0e9958b11d781338c8f7.woff

762 ms

roboto-all-300-normal2323284ef85bfeaca074c668b72109c6.woff

roboto-all-300-normal2323284ef85bfeaca074c668b72109c6.woff

762 ms

roboto-all-100-normal06ce76a100c4626925704f721e7b4061.woff

roboto-all-100-normal06ce76a100c4626925704f721e7b4061.woff

603 ms

roboto-all-700-normalaa462125b8faf7600001e1fe9b47e216.woff

roboto-all-700-normalaa462125b8faf7600001e1fe9b47e216.woff

491 ms

roboto-all-900-normal06bf3ac21730a622f429782563a2d4b5.woff

roboto-all-900-normal06bf3ac21730a622f429782563a2d4b5.woff

698 ms

left.svg

left.svg

447 ms

reindex-7b5bd5fd436d1a4d539c.js

reindex-7b5bd5fd436d1a4d539c.js

662 ms

js

js

143 ms

callibri.js

callibri.js

1146 ms

arrow-banner0fc37cb944e3582a3b886002ab0e3b6a.svg

arrow-banner0fc37cb944e3582a3b886002ab0e3b6a.svg

580 ms

edu6d7ed5e552f5a14c2ba22a56527f6f75.svg

edu6d7ed5e552f5a14c2ba22a56527f6f75.svg

630 ms

notebook.webp

notebook.webp

631 ms

ok.svg

ok.svg

649 ms

ohrana-truda-desktop.webp

ohrana-truda-desktop.webp

652 ms

medicine.webp

medicine.webp

657 ms

laboratory.webp

laboratory.webp

742 ms

certification.webp

certification.webp

746 ms

tick-square.svg

tick-square.svg

764 ms

71dde1213326ee208b241767a38920c9.png

71dde1213326ee208b241767a38920c9.png

767 ms

344a5c4ef6c04e816abf78f931948469.png

344a5c4ef6c04e816abf78f931948469.png

774 ms

9e26e27711d2cb6c3fe21d8c5eb49a4b.png

9e26e27711d2cb6c3fe21d8c5eb49a4b.png

777 ms

179a006d19aa8a269f10f7e41b2d14e5.png

179a006d19aa8a269f10f7e41b2d14e5.png

855 ms

8924bee2b28592125933104bfc3c7388.png

8924bee2b28592125933104bfc3c7388.png

856 ms

45092fee2fa9abfad33a02aac658989d.png

45092fee2fa9abfad33a02aac658989d.png

917 ms

b6b8cd0ba43fd85abb5be08e409f0404.png

b6b8cd0ba43fd85abb5be08e409f0404.png

917 ms

f2fe1f01214a74d43da76543efe7f870.png

f2fe1f01214a74d43da76543efe7f870.png

917 ms

e7e34b9df470846fda96cf7464709c9d.png

e7e34b9df470846fda96cf7464709c9d.png

846 ms

ae694886228dfc9a5ecf71550df650ce.jpg

ae694886228dfc9a5ecf71550df650ce.jpg

887 ms

0d1cccaa012b25d936526e8e608c00eb.jpg

0d1cccaa012b25d936526e8e608c00eb.jpg

887 ms

e676a0dbb6c4d3e8678afe871fb5c4a6.jpg

e676a0dbb6c4d3e8678afe871fb5c4a6.jpg

911 ms

f496d20a0335b62ca2fd5e90b16c6fa6.jpg

f496d20a0335b62ca2fd5e90b16c6fa6.jpg

822 ms

2994db7194c3d46cd1a5fce8698d105f.jpg

2994db7194c3d46cd1a5fce8698d105f.jpg

828 ms

b451f1785ea999ed3735b002dae80d25.jpg

b451f1785ea999ed3735b002dae80d25.jpg

826 ms

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e49e5a477d2eaff27e3564a10a59bb24.jpg

895 ms

a35e49e530eb3e227da4fd54885184b9.jpg

a35e49e530eb3e227da4fd54885184b9.jpg

897 ms

tick-square-gray.svg

tick-square-gray.svg

920 ms

whatsapp.svg

whatsapp.svg

825 ms

viber.svg

viber.svg

752 ms

tg.svg

tg.svg

705 ms

tick-success-white.svg

tick-success-white.svg

734 ms

user-gray.svg

user-gray.svg

670 ms

openapi.c340c125c61ec5745ebb2a98626e46ab.js

openapi.c340c125c61ec5745ebb2a98626e46ab.js

214 ms

phone-gray.svg

phone-gray.svg

653 ms

close.svg

close.svg

656 ms

form.png

form.png

662 ms

rtrg

rtrg

171 ms

advert.gif

advert.gif

705 ms

sync_cookie_image_decide

sync_cookie_image_decide

173 ms

Accessibility Review

centrattek.ru accessibility score

57

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

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

centrattek.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

centrattek.ru SEO score

100

Search Engine Optimization Advices

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 Centrattek.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 Centrattek.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

centrattek.ru

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