Tools & Wizards About Us
shkola-linux.ru screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

shkola-linux.ru

Школа Linux. Развитие СПО в школе. | Помощь в установке linux, настройке linux и администрировании linux - Школа Linux

Page Load Speed

6.8 sec in total

First Response

1.4 sec

Resources Loaded

4.9 sec

Page Rendered

481 ms

shkola-linux.ru screenshot

About Website

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

Проект помощи учителям по внедрению Linux в школах

Visit shkola-linux.ru

Key Findings

We analyzed Shkola-linux.ru page load time and found that the first response time was 1.4 sec and then it took 5.4 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

shkola-linux.ru performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value18.1 s

0/100

10%

TBT (Total Blocking Time)

Value4,700 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

shkola-linux.ru

1369 ms

style.css

82 ms

rokajaxsearch.css

158 ms

rokajaxsearch-theme.css

161 ms

mootools-uncompressed.js

480 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 46% of them (45 requests) were addressed to the original Shkola-linux.ru, 8% (8 requests) were made to Apis.google.com and 6% (6 requests) were made to Openstat.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Shkola-linux.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 667.2 kB (51%)

Content Size

1.3 MB

After Optimization

635.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shkola-linux.ru main page is 1.3 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. 65% of websites need less resources to load. Javascripts take 798.1 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 67.8 kB

  • Original 95.7 kB
  • After minification 93.9 kB
  • After compression 27.9 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 67.8 kB or 71% of the original size.

Image Optimization

-9%

Potential reduce by 30.3 kB

  • Original 347.5 kB
  • After minification 317.2 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. Shkola Linux images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 519.2 kB

  • Original 798.1 kB
  • After minification 682.6 kB
  • After compression 278.9 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 519.2 kB or 65% of the original size.

CSS Optimization

-81%

Potential reduce by 49.9 kB

  • Original 61.2 kB
  • After minification 48.2 kB
  • After compression 11.3 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. Shkola-linux.ru needs all CSS files to be minified and compressed as it can save up to 49.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (69%)

Requests Now

87

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shkola Linux. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

shkola-linux.ru

shkola-linux.ru

1369 ms

style.css

style.css

82 ms

rokajaxsearch.css

rokajaxsearch.css

158 ms

rokajaxsearch-theme.css

rokajaxsearch-theme.css

161 ms

mootools-uncompressed.js

mootools-uncompressed.js

480 ms

caption.js

caption.js

162 ms

rokajaxsearch.js

rokajaxsearch.js

241 ms

system.css

system.css

164 ms

general.css

general.css

235 ms

editor.css

editor.css

241 ms

template.css

template.css

242 ms

typo.css

typo.css

246 ms

ja.script.js

ja.script.js

314 ms

plusone.js

plusone.js

67 ms

ja.slidemenu.css

ja.slidemenu.css

320 ms

ja.slidemenu.js

ja.slidemenu.js

319 ms

black.css

black.css

321 ms

zp.js

zp.js

689 ms

addthis_widget.js

addthis_widget.js

29 ms

adsbygoogle.js

adsbygoogle.js

29 ms

jvclouds.js

jvclouds.js

324 ms

swfobject.js

swfobject.js

389 ms

top100.jcn

top100.jcn

394 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

27 ms

body-bot.jpg

body-bot.jpg

118 ms

coins.png

coins.png

168 ms

p1.gif

p1.gif

360 ms

stock_briefcase.png

stock_briefcase.png

167 ms

53335.jpg

53335.jpg

173 ms

russia-logo.png

russia-logo.png

121 ms

linux.png

linux.png

166 ms

bullet.gif

bullet.gif

178 ms

body-top.jpg

body-top.jpg

349 ms

header-bg.png

header-bg.png

414 ms

logo.png

logo.png

355 ms

nav-sep.gif

nav-sep.gif

355 ms

search-bg.gif

search-bg.gif

338 ms

container-center.gif

container-center.gif

358 ms

container-top.gif

container-top.gif

359 ms

container-bot.gif

container-bot.gif

360 ms

dot.gif

dot.gif

360 ms

icon-date.gif

icon-date.gif

269 ms

icon-author.gif

icon-author.gif

300 ms

jc_blog.gif

jc_blog.gif

299 ms

c-r.gif

c-r.gif

299 ms

bullet-readon.gif

bullet-readon.gif

299 ms

icon-user.gif

icon-user.gif

313 ms

icon-key.gif

icon-key.gif

384 ms

grad1.gif

grad1.gif

383 ms

ca-pub-4123919882543906.js

ca-pub-4123919882543906.js

79 ms

zrt_lookup.html

zrt_lookup.html

76 ms

show_ads_impl.js

show_ads_impl.js

76 ms

watch.js

watch.js

236 ms

top100.scn

top100.scn

202 ms

cnt.js

cnt.js

268 ms

hit

hit

280 ms

footer-bg.png

footer-bg.png

428 ms

300lo.json

300lo.json

151 ms

impression.html

impression.html

398 ms

sync

sync

381 ms

extra.js

extra.js

397 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

113 ms

fastbutton

fastbutton

152 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

99 ms

ads

ads

191 ms

osd.js

osd.js

55 ms

postmessageRelay

postmessageRelay

82 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

50 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

55 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

92 ms

watch.js

watch.js

479 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

60 ms

rpc:shindig_random.js

rpc:shindig_random.js

38 ms

2221840.js

2221840.js

156 ms

hit

hit

151 ms

3938644442375544542

3938644442375544542

55 ms

abg.js

abg.js

56 ms

m_js_controller.js

m_js_controller.js

72 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

69 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

28 ms

s

s

42 ms

x_button_blue2.png

x_button_blue2.png

44 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

21 ms

pixel

pixel

60 ms

385 ms

87.gif

87.gif

124 ms

cnt

cnt

239 ms

match

match

93 ms

f.gif

f.gif

127 ms

advert.gif

advert.gif

96 ms

1

1

92 ms

support.html

support.html

158 ms

pixel

pixel

15 ms

cm.gif

cm.gif

407 ms

c-l.gif

c-l.gif

81 ms

cnt

cnt

126 ms

ui

ui

31 ms

Accessibility Review

shkola-linux.ru accessibility score

70

Accessibility Issues

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-*] attributes do not match their roles

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

shkola-linux.ru best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

shkola-linux.ru SEO score

69

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

    UTF-8

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

shkola-linux.ru

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