Report Summary

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    Best Practices

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Купить авиабилеты дешево онлайн | Авиасейлс — поиск самых дешевых билетов на самолет

Page Load Speed

7.3 sec in total

First Response

203 ms

Resources Loaded

6.3 sec

Page Rendered

714 ms screenshot

About Website

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

Авиасейлс помогает найти и купить самые дешёвые авиабилеты. Поиск билетов на самолёт по 2000+ авиакомпаниям, ведущим авиакассам и лучшие цены на авиабилеты.


Key Findings

We analyzed page load time and found that the first response time was 203 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics performance score


Network Requests Diagram

203 ms

208 ms

582 ms


195 ms


151 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 20% of them (23 requests) were addressed to the original, 18% (20 requests) were made to and 11% (13 requests) were made to The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (57%)

Content Size

2.0 MB

After Optimization

866.1 kB

In fact, the total size of main page is 2.0 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. 45% of websites need less resources to load. Javascripts take 954.5 kB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 90.3 kB

  • Original 119.2 kB
  • After minification 119.1 kB
  • After compression 29.0 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 90.3 kB or 76% of the original size.

Image Optimization


Potential reduce by 44.9 kB

  • Original 471.7 kB
  • After minification 426.8 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. Aviasales images are well optimized though.

JavaScript Optimization


Potential reduce by 654.7 kB

  • Original 954.5 kB
  • After minification 932.1 kB
  • After compression 299.8 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 654.7 kB or 69% of the original size.

CSS Optimization


Potential reduce by 345.0 kB

  • Original 455.5 kB
  • After minification 451.5 kB
  • After compression 110.5 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 345.0 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (47%)

Requests Now


After Optimization


The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aviasales. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts 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 data is detected on the main page of Aviasales. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: