Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

all-video-kurs.ru

Видеокурсы| Все видеокурсы, обучающие видео и видеоуроки Рунета.

Page Load Speed

3.5 sec in total

First Response

1.1 sec

Resources Loaded

2.2 sec

Page Rendered

184 ms

all-video-kurs.ru screenshot

About Website

Click here to check amazing All Video Kurs content for Russia. Otherwise, check out these important facts you probably never knew about all-video-kurs.ru

Сайт посвящен наиболее простому и удобному способу обучения - видеокурсам. Обзоры, статьи по обучающему видео, видеоурокам и видеокурсам, а так же другие обучающие материалы.

Visit all-video-kurs.ru

Key Findings

We analyzed All-video-kurs.ru page load time and found that the first response time was 1.1 sec and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

all-video-kurs.ru performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

Network Requests Diagram

all-video-kurs.ru

1062 ms

mootools.js

406 ms

caption.js

246 ms

system.css

248 ms

general.css

246 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 87% of them (33 requests) were addressed to the original All-video-kurs.ru, 5% (2 requests) were made to Counter.rambler.ru and 5% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain All-video-kurs.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 210.7 kB (58%)

Content Size

362.4 kB

After Optimization

151.8 kB

In fact, the total size of All-video-kurs.ru main page is 362.4 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. 20% of websites need less resources to load. Images take 178.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 26.2 kB

  • Original 34.4 kB
  • After minification 31.9 kB
  • After compression 8.2 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 26.2 kB or 76% of the original size.

Image Optimization

-39%

Potential reduce by 70.4 kB

  • Original 178.6 kB
  • After minification 108.2 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, All Video Kurs needs image optimization as it can save up to 70.4 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 72.1 kB

  • Original 99.0 kB
  • After minification 91.7 kB
  • After compression 27.0 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 72.1 kB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 42.0 kB

  • Original 50.4 kB
  • After minification 39.7 kB
  • After compression 8.4 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. All-video-kurs.ru needs all CSS files to be minified and compressed as it can save up to 42.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (72%)

Requests Now

36

After Optimization

10

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of All Video Kurs. 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 from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

all-video-kurs.ru accessibility score

72

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

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

all-video-kurs.ru best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Page has valid source maps

SEO Factors

all-video-kurs.ru SEO score

77

Search Engine Optimization Advices

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 All-video-kurs.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 All-video-kurs.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 All Video Kurs. 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: