Tools & Wizards About Us
compdoc.ru screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

compdoc.ru

Компьютерная документация от А до Я

Page Load Speed

4.5 sec in total

First Response

417 ms

Resources Loaded

3.8 sec

Page Rendered

300 ms

compdoc.ru screenshot

About Website

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

Большой архив статей, книг, документации по программированию, вебдизайну, компьютерной графике, сетям, операционным системам и многому другому

Visit compdoc.ru

Key Findings

We analyzed Compdoc.ru page load time and found that the first response time was 417 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

compdoc.ru performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.288

42/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

compdoc.ru

417 ms

www.compdoc.ru

584 ms

styles.css

227 ms

88539.js

587 ms

jquery.min.js

7 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 21% of them (12 requests) were addressed to the original Compdoc.ru, 26% (15 requests) were made to Rtbw.acint.net and 11% (6 requests) were made to Pxl.acint.net. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source W.uptolike.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.9 kB (40%)

Content Size

109.4 kB

After Optimization

65.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Compdoc.ru main page is 109.4 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. 20% of websites need less resources to load. HTML takes 53.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 41.6 kB

  • Original 53.3 kB
  • After minification 49.7 kB
  • After compression 11.7 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 41.6 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 67 B

  • Original 17.3 kB
  • After minification 17.2 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. Compdoc images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 234 B

  • Original 36.1 kB
  • After minification 36.1 kB
  • After compression 35.8 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

-77%

Potential reduce by 2.1 kB

  • Original 2.7 kB
  • After minification 2.3 kB
  • After compression 636 B

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. Compdoc.ru needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (69%)

Requests Now

45

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Compdoc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

compdoc.ru

compdoc.ru

417 ms

www.compdoc.ru

www.compdoc.ru

584 ms

styles.css

styles.css

227 ms

88539.js

88539.js

587 ms

jquery.min.js

jquery.min.js

7 ms

logo.jpg

logo.jpg

280 ms

zp.js

zp.js

1019 ms

748361

748361

301 ms

aci.js

aci.js

770 ms

753498

753498

291 ms

top100.cnt

top100.cnt

248 ms

banner-88x31-rambler-blue3.gif

banner-88x31-rambler-blue3.gif

249 ms

books.gif

books.gif

119 ms

software.gif

software.gif

127 ms

winfast100x100.jpg

winfast100x100.jpg

129 ms

starsmakeup.gif

starsmakeup.gif

347 ms

woman.jpg

woman.jpg

232 ms

mutanty.gif

mutanty.gif

363 ms

volcano.gif

volcano.gif

248 ms

stopsmoke100x100.jpg

stopsmoke100x100.jpg

249 ms

hit

hit

249 ms

vcx.php

vcx.php

66 ms

top100.cnt

top100.cnt

515 ms

hit

hit

490 ms

css2

css2

44 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZg.ttf

23 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuGKYMZg.ttf

30 ms

watch.js

watch.js

1 ms

version.js

version.js

133 ms

counter2

counter2

139 ms

1

1

761 ms

1

1

782 ms

656 ms

watch.js

watch.js

1 ms

ymcode

ymcode

665 ms

1

1

773 ms

1

1

775 ms

1

1

755 ms

1

1

762 ms

1

1

776 ms

1

1

784 ms

1

1

782 ms

1

1

869 ms

1

1

883 ms

1

1

891 ms

1

1

903 ms

3

3

238 ms

3

3

241 ms

3

3

243 ms

1

1

256 ms

1

1

256 ms

1

1

337 ms

1

1

353 ms

1

1

360 ms

watch.js

watch.js

0 ms

impression.html

impression.html

133 ms

extra.js

extra.js

262 ms

Accessibility Review

compdoc.ru accessibility score

49

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

compdoc.ru best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

compdoc.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

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Compdoc.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Compdoc.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

compdoc.ru

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