Tools & Wizards About Us
school4you.ru screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

school4you.ru

Центр домашнего образования, обучение в семейной школе в Москве от образовательного центра Алгоритм

Page Load Speed

10.4 sec in total

First Response

548 ms

Resources Loaded

9.5 sec

Page Rendered

336 ms

school4you.ru screenshot

About Website

Visit school4you.ru now to see the best up-to-date School 4 You content for Russia and also check out these interesting facts you probably never knew about school4you.ru

Центр семейного образования Алгоритм - это домашнее обучение для школьников от ведущих преподавателей с использованием самых эффективных программ обучения

Visit school4you.ru

Key Findings

We analyzed School4you.ru page load time and found that the first response time was 548 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

school4you.ru performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value22.8 s

0/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

Network Requests Diagram

school4you.ru

548 ms

school4you.ru

2067 ms

grid.min.css

139 ms

wp-filebase.css

275 ms

style.min.css

414 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 77% of them (93 requests) were addressed to the original School4you.ru, 5% (6 requests) were made to Googleapis.com and 2% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.7 sec) belongs to the original domain School4you.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (32%)

Content Size

6.6 MB

After Optimization

4.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of School4you.ru main page is 6.6 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. 70% of websites need less resources to load. Images take 6.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 165.9 kB

  • Original 205.2 kB
  • After minification 190.6 kB
  • After compression 39.3 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 165.9 kB or 81% of the original size.

Image Optimization

-31%

Potential reduce by 1.9 MB

  • Original 6.0 MB
  • After minification 4.1 MB

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. Obviously, School 4 You needs image optimization as it can save up to 1.9 MB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-21%

Potential reduce by 75.5 kB

  • Original 360.3 kB
  • After minification 360.3 kB
  • After compression 284.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 75.5 kB or 21% of the original size.

CSS Optimization

-9%

Potential reduce by 6.5 kB

  • Original 69.6 kB
  • After minification 69.6 kB
  • After compression 63.1 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. School4you.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 43 (40%)

Requests Now

107

After Optimization

64

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of School 4 You. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

school4you.ru

school4you.ru

548 ms

school4you.ru

school4you.ru

2067 ms

grid.min.css

grid.min.css

139 ms

wp-filebase.css

wp-filebase.css

275 ms

style.min.css

style.min.css

414 ms

shortcodes.css

shortcodes.css

417 ms

fonts.css

fonts.css

416 ms

sumoselect.min.css

sumoselect.min.css

504 ms

jquery.mCustomScrollbar.min.css

jquery.mCustomScrollbar.min.css

434 ms

styles.min.css

styles.min.css

553 ms

photoswipe.css

photoswipe.css

553 ms

default-skin.css

default-skin.css

549 ms

screen.min.css

screen.min.css

554 ms

bootstrap.min.css

bootstrap.min.css

711 ms

lazyYT.css

lazyYT.css

688 ms

jquery.bxslider.css

jquery.bxslider.css

687 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

689 ms

style.css

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864 ms

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864 ms

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967 ms

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971 ms

masonry.pkgd.min.js

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imagesloaded.pkgd.min.js

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808 ms

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1221 ms

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1221 ms

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1240 ms

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3625 ms

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51 ms

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3616 ms

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addVisit

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528 ms

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4115 ms

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80 ms

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

81 ms

Accessibility Review

school4you.ru accessibility score

71

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

school4you.ru best practices score

67

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

school4you.ru SEO score

84

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

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

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise School4you.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 School4you.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

school4you.ru

Open Graph data is detected on the main page of School 4 You. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: