Http do iro23 ru и IRO Информационно-образовательная среда

Http do iro23 ru и IRO Информационно-образовательная среда

About Website

Welcome to homepage info – get ready to check Do Iro 23 best content for Russia right away, or after learning these important things about

Key Findings

We analyzed page load time and found that the first response time was 2.3 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

FCP (First Contentful Paint)

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to and no external sources were called. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain

After Optimization

In fact, the total size of main page is 352.0 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. Only 10% of websites need less resources to load. Javascripts take 313.0 kB which makes up the majority of the site volume.

HTML Optimization

Potential reduce by 24.4 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 24.4 kB or 77% of the original size.

Image Optimization

Potential reduce by 390 B

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. Do Iro 23 images are well optimized though.

JavaScript Optimization

Potential reduce by 219.5 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 219.5 kB or 70% of the original size.

CSS Optimization

Potential reduce by 2.7 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 2.7 kB or 75% of the original size.

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Do Iro 23. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.


These are opportunities to improve the legibility of your content.

Background and foreground colors do not have a sufficient contrast ratio.

Links do not have a discernible name

These items highlight common accessibility best practices.

Areas of Improvement

Ensure CSP is effective against XSS attacks

Detected JavaScript libraries

Missing source maps for large first-party JavaScript

Issues were logged in the panel in Chrome Devtools

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

Links are not crawlable

Document uses legible font sizes

Tap targets are not sized appropriately

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.

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