Report Summary

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    Best Practices

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Дополнительное образование: курсы профессиональной переподготовки, курсы повышения квалификации, курсы для школьников в Санкт-Петербурге

Page Load Speed

26.1 sec in total

First Response

2 sec

Resources Loaded

23.9 sec

Page Rendered

254 ms screenshot

About Website

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

Программы дополнительного профессионального образования в Высшей инженерной школе Политехнического университета. Квалифицированные преподаватели, современные программы, доступные цены. Запись по телеф...


Key Findings

We analyzed page load time and found that the first response time was 2 sec and then it took 24.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics performance score


Network Requests Diagram

1991 ms


1200 ms


957 ms


695 ms


581 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 23% of them (23 requests) were addressed to the original, 20% (20 requests) were made to and 11% (11 requests) were made to The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source

Page Optimization Overview & Recommendations

Page size can be reduced by 548.7 kB (71%)

Content Size

768.5 kB

After Optimization

219.8 kB

In fact, the total size of main page is 768.5 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. 50% of websites need less resources to load. Javascripts take 311.0 kB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 26.9 kB

  • Original 36.0 kB
  • After minification 34.2 kB
  • After compression 9.1 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 26.9 kB or 75% of the original size.

Image Optimization


Potential reduce by 170.1 kB

  • Original 263.2 kB
  • After minification 93.1 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, Avalon needs image optimization as it can save up to 170.1 kB or 65% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization


Potential reduce by 218.4 kB

  • Original 311.0 kB
  • After minification 237.1 kB
  • After compression 92.5 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 218.4 kB or 70% of the original size.

CSS Optimization


Potential reduce by 133.2 kB

  • Original 158.3 kB
  • After minification 136.8 kB
  • After compression 25.1 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. needs all CSS files to be minified and compressed as it can save up to 133.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (58%)

Requests Now


After Optimization


The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Avalon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

SEO Factors SEO score


Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


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