Tools & Wizards About Us
school.kontur.ru screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

school.kontur.ru

Контур.Школа: обучение, вебинары, записи семинаров и онлайн-курсы

Page Load Speed

5.6 sec in total

First Response

395 ms

Resources Loaded

5.2 sec

Page Rendered

64 ms

school.kontur.ru screenshot

About Website

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

Контур.Школа (Учебный центр СКБ Контур): обучение, вебинары, конференции, онлайн-курсы и годовая подписка. Образовательная платформа для роста бизнеса.

Visit school.kontur.ru

Key Findings

We analyzed School.kontur.ru page load time and found that the first response time was 395 ms and then it took 5.2 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

school.kontur.ru performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value10.8 s

7/100

10%

TBT (Total Blocking Time)

Value3,540 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.334

34/100

15%

TTI (Time to Interactive)

Value25.4 s

0/100

10%

Network Requests Diagram

school.kontur.ru

395 ms

school.kontur.ru

4754 ms

jsrsasign-all-min.js

635 ms

fp.min.js

484 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 50% of them (2 requests) were addressed to the original School.kontur.ru, 50% (2 requests) were made to Servicepipe.ru. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain School.kontur.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.7 kB (20%)

Content Size

126.2 kB

After Optimization

100.5 kB

  • HTML
  • JavaScript

In fact, the total size of School.kontur.ru main page is 126.2 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. Only 5% of websites need less resources to load. Javascripts take 100.9 kB which makes up the majority of the site volume.

HTML Optimization

-38%

Potential reduce by 9.7 kB

  • Original 25.3 kB
  • After minification 25.3 kB
  • After compression 15.6 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 9.7 kB or 38% of the original size.

JavaScript Optimization

-16%

Potential reduce by 16.0 kB

  • Original 100.9 kB
  • After minification 100.9 kB
  • After compression 84.9 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 16.0 kB or 16% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • JavaScript

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of School Kontur. According to our analytics all requests are already optimized.

Network Requests Diagram

school.kontur.ru

school.kontur.ru

395 ms

school.kontur.ru

school.kontur.ru

4754 ms

jsrsasign-all-min.js

jsrsasign-all-min.js

635 ms

fp.min.js

fp.min.js

484 ms

Accessibility Review

school.kontur.ru accessibility score

96

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

Best Practices

school.kontur.ru best practices score

75

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

school.kontur.ru SEO score

99

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

school.kontur.ru

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