Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

geekbrains.ru

GeekBrains - образовательный портал

Page Load Speed

3 sec in total

First Response

295 ms

Resources Loaded

1.9 sec

Page Rendered

767 ms

geekbrains.ru screenshot

About Website

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

Мы учим людей с нуля осваивать программирование, веб-дизайн и маркетинг и другие профессии. Проводим онлайн-курсы и бесплатные мастер-классы, развиваем сообщество, сотрудничаем с компаниями по трудоус...

Visit geekbrains.ru

Key Findings

We analyzed Geekbrains.ru page load time and found that the first response time was 295 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

geekbrains.ru performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value9,930 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value39.0 s

0/100

10%

Network Requests Diagram

geekbrains.ru

295 ms

geekbrains.ru

535 ms

bootstrap.min.css

162 ms

landing-home.css

233 ms

watch.js

579 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 51% of them (31 requests) were addressed to the original Geekbrains.ru, 28% (17 requests) were made to D1ywbwqv5var5z.cloudfront.net and 5% (3 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (694 ms) belongs to the original domain Geekbrains.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 462.2 kB (39%)

Content Size

1.2 MB

After Optimization

728.7 kB

In fact, the total size of Geekbrains.ru main page is 1.2 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. 50% of websites need less resources to load. Images take 790.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 32.4 kB

  • Original 44.4 kB
  • After minification 44.2 kB
  • After compression 12.0 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. 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 32.4 kB or 73% of the original size.

Image Optimization

-24%

Potential reduce by 192.3 kB

  • Original 790.7 kB
  • After minification 598.3 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. Obviously, Geek Brains needs image optimization as it can save up to 192.3 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 130.6 kB

  • Original 227.7 kB
  • After minification 227.7 kB
  • After compression 97.1 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 130.6 kB or 57% of the original size.

CSS Optimization

-83%

Potential reduce by 106.9 kB

  • Original 128.1 kB
  • After minification 121.9 kB
  • After compression 21.2 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. Geekbrains.ru needs all CSS files to be minified and compressed as it can save up to 106.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (13%)

Requests Now

55

After Optimization

48

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Geek Brains. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

geekbrains.ru accessibility score

51

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

[role]s are not contained by their required parent element

High

[role] values are not valid

High

[aria-*] attributes do not have valid values

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

<frame> or <iframe> elements do not have a title

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

High

Some elements have a [tabindex] value greater than 0

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

geekbrains.ru best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

geekbrains.ru SEO score

85

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 Geekbrains.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 Geekbrains.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 Geek Brains. 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: