Tools & Wizards About Us
4brain.ru screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

4brain.ru

4brain - онлайн-платформа по обучению soft skills

Page Load Speed

10.9 sec in total

First Response

541 ms

Resources Loaded

7.2 sec

Page Rendered

3.1 sec

4brain.ru screenshot

About Website

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

Онлайн-курсы, статьи, книги, полезные материалы, онлайн-упражнения, игры и тренажёры для развития междисциплинарных гибких навыков (soft skills).

Visit 4brain.ru

Key Findings

We analyzed 4brain.ru page load time and found that the first response time was 541 ms and then it took 10.3 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

4brain.ru performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value13.8 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.339

33/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

4brain.ru

541 ms

4brain.ru

1104 ms

font-open-sans.css

396 ms

font-roboto.css

397 ms

main.css

789 ms

Our browser made a total of 213 requests to load all elements on the main page. We found that 95% of them (203 requests) were addressed to the original 4brain.ru, 2% (4 requests) were made to Top-fwz1.mail.ru and 1% (3 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain 4brain.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 426.6 kB (6%)

Content Size

7.0 MB

After Optimization

6.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 4brain.ru main page is 7.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 136.9 kB

  • Original 162.9 kB
  • After minification 140.3 kB
  • After compression 26.0 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 22.6 kB, which is 14% 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 136.9 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 281.1 kB

  • Original 6.5 MB
  • After minification 6.3 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. 4 Brain images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 241.0 kB
  • After minification 241.0 kB
  • After compression 238.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-22%

Potential reduce by 5.9 kB

  • Original 26.6 kB
  • After minification 24.9 kB
  • After compression 20.8 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. 4brain.ru needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (27%)

Requests Now

202

After Optimization

148

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 202 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Brain. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

4brain.ru

4brain.ru

541 ms

4brain.ru

4brain.ru

1104 ms

font-open-sans.css

font-open-sans.css

396 ms

font-roboto.css

font-roboto.css

397 ms

main.css

main.css

789 ms

animation.css

animation.css

659 ms

font-raleway.css

font-raleway.css

396 ms

header.css

header.css

519 ms

jquery.min.js

jquery.min.js

786 ms

jquery-ui.min.js

jquery-ui.min.js

1069 ms

tgsub2.js

tgsub2.js

526 ms

smi.css

smi.css

394 ms

swiper.min.js

swiper.min.js

812 ms

chat.css

chat.css

394 ms

footer.css

footer.css

471 ms

pwa-unreg.js

pwa-unreg.js

533 ms

header.js

header.js

533 ms

gtm.js

gtm.js

124 ms

logo-v2.svg

logo-v2.svg

215 ms

paper.svg

paper.svg

212 ms

evgenij-b.png

evgenij-b.png

1014 ms

kirill-n.png

kirill-n.png

497 ms

polina-g.png

polina-g.png

963 ms

nadezhda.png

nadezhda.png

832 ms

lightbulb.svg

lightbulb.svg

422 ms

brain.svg

brain.svg

426 ms

speedreading.svg

speedreading.svg

497 ms

questions.svg

questions.svg

499 ms

preview-evgenij-b.png

preview-evgenij-b.png

627 ms

preview-kirill-n.png

preview-kirill-n.png

628 ms

preview-polina-g.png

preview-polina-g.png

631 ms

preview-nadezhda.png

preview-nadezhda.png

758 ms

logo-horizontal-white.svg

logo-horizontal-white.svg

758 ms

icon-vk.svg

icon-vk.svg

762 ms

icon-telegram.svg

icon-telegram.svg

889 ms

icon-zen.png

icon-zen.png

888 ms

icon-youtube.svg

icon-youtube.svg

894 ms

icon-tiktok.svg

icon-tiktok.svg

961 ms

ralewayregular.woff

ralewayregular.woff

983 ms

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ralewaymedium.woff

983 ms

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ralewaylight.woff

999 ms

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ralewayextralight.woff

1056 ms

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1055 ms

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1120 ms

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1121 ms

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1122 ms

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1122 ms

programms-bg-ellipse.svg

programms-bg-ellipse.svg

1118 ms

emotional-intellect-1.svg

emotional-intellect-1.svg

1119 ms

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emotional-intellect-2.svg

1151 ms

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emotional-intellect-3.svg

1163 ms

emotional-intellect-4.svg

emotional-intellect-4.svg

1165 ms

goals-1.svg

goals-1.svg

1078 ms

goals-2.svg

goals-2.svg

1219 ms

goals-3.svg

goals-3.svg

1184 ms

self-psychologist-1.svg

self-psychologist-1.svg

1126 ms

self-psychologist-2.svg

self-psychologist-2.svg

1013 ms

neuroscience-1.svg

neuroscience-1.svg

1014 ms

tag.js

tag.js

912 ms

code.js

code.js

809 ms

saleprog.php

saleprog.php

1003 ms

neuroscience-2.svg

neuroscience-2.svg

992 ms

critical-thinking-1.svg

critical-thinking-1.svg

911 ms

critical-thinking-2.svg

critical-thinking-2.svg

925 ms

critical-thinking-3.svg

critical-thinking-3.svg

920 ms

critical-thinking-4.svg

critical-thinking-4.svg

863 ms

storytelling-1.svg

storytelling-1.svg

870 ms

storytelling-2.svg

storytelling-2.svg

904 ms

storytelling-3.svg

storytelling-3.svg

852 ms

storytelling-4.svg

storytelling-4.svg

792 ms

invention-1.svg

invention-1.svg

863 ms

invention-2.svg

invention-2.svg

866 ms

invention-3.svg

invention-3.svg

838 ms

speedreading-1.svg

speedreading-1.svg

848 ms

speedreading-2.svg

speedreading-2.svg

802 ms

speedreading-3.svg

speedreading-3.svg

1451 ms

mnemonics-1.svg

mnemonics-1.svg

847 ms

mnemonics-2.svg

mnemonics-2.svg

804 ms

mnemonics-3.svg

mnemonics-3.svg

835 ms

mnemonics-4.svg

mnemonics-4.svg

831 ms

mnemonics-5.svg

mnemonics-5.svg

786 ms

relationship-building-1.svg

relationship-building-1.svg

854 ms

relationship-building-2.svg

relationship-building-2.svg

861 ms

psychoregulation-1.svg

psychoregulation-1.svg

880 ms

psychoregulation-2.svg

psychoregulation-2.svg

833 ms

sync-loader.js

sync-loader.js

718 ms

counter

counter

180 ms

dyn-goal-config.js

dyn-goal-config.js

254 ms

psychoregulation-3.svg

psychoregulation-3.svg

818 ms

russian-language-1.svg

russian-language-1.svg

872 ms

russian-language-2.svg

russian-language-2.svg

869 ms

profiling-1.svg

profiling-1.svg

905 ms

profiling-2.svg

profiling-2.svg

917 ms

profiling-3.svg

profiling-3.svg

775 ms

profiling-4.svg

profiling-4.svg

844 ms

time-management-1.svg

time-management-1.svg

847 ms

time-management-2.svg

time-management-2.svg

882 ms

time-management-3.svg

time-management-3.svg

892 ms

time-management-4.svg

time-management-4.svg

890 ms

advert.gif

advert.gif

606 ms

continuing-education-1.svg

continuing-education-1.svg

918 ms

continuing-education-2.svg

continuing-education-2.svg

915 ms

continuing-education-3.svg

continuing-education-3.svg

918 ms

continuing-education-4.svg

continuing-education-4.svg

917 ms

self-knowledge-1.svg

self-knowledge-1.svg

918 ms

self-knowledge-2.svg

self-knowledge-2.svg

918 ms

self-knowledge-3.svg

self-knowledge-3.svg

917 ms

self-knowledge-4.svg

self-knowledge-4.svg

918 ms

self-knowledge-5.svg

self-knowledge-5.svg

914 ms

modern-rhetoric-1.svg

modern-rhetoric-1.svg

915 ms

modern-rhetoric-2.svg

modern-rhetoric-2.svg

850 ms

modern-rhetoric-3.svg

modern-rhetoric-3.svg

910 ms

modern-rhetoric-4.svg

modern-rhetoric-4.svg

878 ms

cognitive-science-1.svg

cognitive-science-1.svg

902 ms

cognitive-science-2.svg

cognitive-science-2.svg

916 ms

cognitive-science-3.svg

cognitive-science-3.svg

848 ms

cognitive-science-4.svg

cognitive-science-4.svg

841 ms

cognitive-science-5.svg

cognitive-science-5.svg

873 ms

communication-techniques-1.svg

communication-techniques-1.svg

862 ms

communication-techniques-2.svg

communication-techniques-2.svg

900 ms

communication-techniques-3.svg

communication-techniques-3.svg

846 ms

language-learning-techniques-1.svg

language-learning-techniques-1.svg

840 ms

language-learning-techniques-2.svg

language-learning-techniques-2.svg

804 ms

sync_cookie_image_decide

sync_cookie_image_decide

126 ms

health-1.svg

health-1.svg

858 ms

health-2.svg

health-2.svg

865 ms

health-3.svg

health-3.svg

831 ms

health-4.svg

health-4.svg

838 ms

arrow-get-plan.svg

arrow-get-plan.svg

802 ms

evgen.jpg

evgen.jpg

790 ms

sensei.jpg

sensei.jpg

858 ms

kirill.jpg

kirill.jpg

793 ms

alena.jpg

alena.jpg

955 ms

polina.jpg

polina.jpg

801 ms

tima.jpg

tima.jpg

787 ms

anya.jpg

anya.jpg

790 ms

1

1

131 ms

linar.jpg

linar.jpg

788 ms

daria.jpg

daria.jpg

787 ms

gregory.jpg

gregory.jpg

803 ms

den.jpg

den.jpg

789 ms

olga.jpg

olga.jpg

791 ms

madina.jpg

madina.jpg

851 ms

natasha.jpg

natasha.jpg

795 ms

nastya.jpg

nastya.jpg

1087 ms

veronika.jpg

veronika.jpg

804 ms

dima.jpg

dima.jpg

790 ms

zhaslan.jpg

zhaslan.jpg

792 ms

anna.jpg

anna.jpg

859 ms

olga_k.jpg

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795 ms

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850 ms

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127 ms

Accessibility Review

4brain.ru accessibility score

80

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

4brain.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

Page has valid source maps

SEO Factors

4brain.ru SEO score

92

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

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 4brain.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 4brain.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

4brain.ru

Open Graph description is not detected on the main page of 4 Brain. 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: