Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

windows-school.ru

Школа Windows – всё о работе с компьютерной системой Microsoft

Page Load Speed

4.5 sec in total

First Response

470 ms

Resources Loaded

3 sec

Page Rendered

977 ms

windows-school.ru screenshot

About Website

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

Обучающие материалы по эффективному использованию компьютерной системы Windows – инструкции, руководства и секретные функции

Visit windows-school.ru

Key Findings

We analyzed Windows-school.ru page load time and found that the first response time was 470 ms and then it took 4 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

windows-school.ru performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.312

37/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

windows-school.ru

470 ms

windows-school.ru

714 ms

tag.js

823 ms

css2

43 ms

jquery-3.3.1.min.js

278 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 82% of them (28 requests) were addressed to the original Windows-school.ru, 6% (2 requests) were made to Mc.yandex.com and 6% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Windows-school.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.6 kB (5%)

Content Size

650.8 kB

After Optimization

620.2 kB

In fact, the total size of Windows-school.ru main page is 650.8 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. 35% of websites need less resources to load. Images take 368.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 30.3 kB

  • Original 40.8 kB
  • After minification 40.6 kB
  • After compression 10.5 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 30.3 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 368.6 kB
  • After minification 368.6 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. Windows School images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 90 B

  • Original 194.0 kB
  • After minification 194.0 kB
  • After compression 193.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 190 B

  • Original 47.4 kB
  • After minification 47.4 kB
  • After compression 47.3 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. Windows-school.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (20%)

Requests Now

30

After Optimization

24

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Windows School. 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.

Accessibility Review

windows-school.ru accessibility score

86

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

windows-school.ru best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

windows-school.ru SEO score

93

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

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 Windows-school.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 Windows-school.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

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