Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 96

    SEO

    Google-friendlier than
    91% of websites

htmlacademy.ru

HTML Academy: интерактивные онлайн-курсы по HTML, CSS и JavaScript

Page Load Speed

3.9 sec in total

First Response

282 ms

Resources Loaded

3.3 sec

Page Rendered

255 ms

htmlacademy.ru screenshot

About Website

Click here to check amazing HTML Academy content for Russia. Otherwise, check out these important facts you probably never knew about htmlacademy.ru

Курсы для всех. Интерактивные задания помогут освоить веб-технологии и создать сайт, а профессиональные курсы подготовят к старту карьеры в IT.

Visit htmlacademy.ru

Key Findings

We analyzed Htmlacademy.ru page load time and found that the first response time was 282 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

htmlacademy.ru performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value1,650 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

htmlacademy.ru

282 ms

htmlacademy.ru

375 ms

css

57 ms

index-style.min.7.css

78 ms

openapi.js

726 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 24% of them (13 requests) were addressed to the original Htmlacademy.ru, 24% (13 requests) were made to Vk.com and 17% (9 requests) were made to Pp.vk.me. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Pp.vk.me.

Page Optimization Overview & Recommendations

Page size can be reduced by 241.9 kB (33%)

Content Size

743.7 kB

After Optimization

501.8 kB

In fact, the total size of Htmlacademy.ru main page is 743.7 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. 30% of websites need less resources to load. Images take 367.8 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 11.0 kB

  • Original 15.8 kB
  • After minification 14.3 kB
  • After compression 4.7 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 11.0 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 419 B

  • Original 367.8 kB
  • After minification 367.4 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. HTML Academy images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 199.0 kB

  • Original 320.8 kB
  • After minification 282.4 kB
  • After compression 121.8 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 199.0 kB or 62% of the original size.

CSS Optimization

-80%

Potential reduce by 31.5 kB

  • Original 39.4 kB
  • After minification 32.3 kB
  • After compression 7.8 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. Htmlacademy.ru needs all CSS files to be minified and compressed as it can save up to 31.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (51%)

Requests Now

47

After Optimization

23

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HTML Academy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

htmlacademy.ru accessibility score

91

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

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

htmlacademy.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

SEO Factors

htmlacademy.ru SEO score

96

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Htmlacademy.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 Htmlacademy.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 data is detected on the main page of HTML Academy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: