Report Summary

  • 58

    Performance

    Renders faster than
    75% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 93% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

metaschool.ru

МетаШкола - Интернет-кружки и олимпиады для школьников

Page Load Speed

1.7 sec in total

First Response

291 ms

Resources Loaded

1.2 sec

Page Rendered

152 ms

metaschool.ru screenshot

About Website

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

Интернет-кружки, курсы, олимпиады, конкурсы, тесты, вебинары для школьников. Учебные пособия для школьников, вебинары для учителей. Официальный сайт.

Visit metaschool.ru

Key Findings

We analyzed Metaschool.ru page load time and found that the first response time was 291 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

metaschool.ru performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

metaschool.ru

291 ms

bootstrap.min.css

85 ms

bootstrap-responsive.min.css

230 ms

our.css

162 ms

jquery-1.11.1.min.js

242 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 82% of them (14 requests) were addressed to the original Metaschool.ru, 12% (2 requests) were made to Mc.yandex.ru and 6% (1 request) were made to Money.yandex.ru. The less responsive or slowest element that took the longest time to load (444 ms) relates to the external source Mc.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 294.8 kB (65%)

Content Size

452.0 kB

After Optimization

157.2 kB

In fact, the total size of Metaschool.ru main page is 452.0 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. 25% of websites need less resources to load. Javascripts take 194.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 29.0 kB

  • Original 36.6 kB
  • After minification 29.2 kB
  • After compression 7.6 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. This page needs HTML code to be minified as it can gain 7.4 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 29.0 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 6.3 kB

  • Original 63.0 kB
  • After minification 56.8 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. Metaschool images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 128.5 kB

  • Original 194.7 kB
  • After minification 194.7 kB
  • After compression 66.2 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 128.5 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 131.0 kB

  • Original 157.7 kB
  • After minification 145.7 kB
  • After compression 26.7 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. Metaschool.ru needs all CSS files to be minified and compressed as it can save up to 131.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (27%)

Requests Now

15

After Optimization

11

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Metaschool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

metaschool.ru accessibility score

97

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.

Best Practices

metaschool.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

SEO Factors

metaschool.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 Metaschool.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 Metaschool.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 description is not detected on the main page of Metaschool. 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: