Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 55

    SEO

    Google-friendlier than
    30% of websites

rsr-olymp.ru

Российский совет олимпиад школьников

Page Load Speed

4.1 sec in total

First Response

850 ms

Resources Loaded

2.7 sec

Page Rendered

564 ms

rsr-olymp.ru screenshot

About Website

Welcome to rsr-olymp.ru homepage info - get ready to check Rsr Olymp best content for Russia right away, or after learning these important things about rsr-olymp.ru

Visit rsr-olymp.ru

Key Findings

We analyzed Rsr-olymp.ru page load time and found that the first response time was 850 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

rsr-olymp.ru performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

rsr-olymp.ru

850 ms

jquery-1.7.min.js

766 ms

jquery.form.js

757 ms

user_functions.js

455 ms

style.css

306 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 78% of them (14 requests) were addressed to the original Rsr-olymp.ru, 22% (4 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (915 ms) belongs to the original domain Rsr-olymp.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 252.9 kB (50%)

Content Size

510.5 kB

After Optimization

257.5 kB

In fact, the total size of Rsr-olymp.ru main page is 510.5 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. 15% of websites need less resources to load. Images take 232.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 39.7 kB

  • Original 47.4 kB
  • After minification 43.3 kB
  • After compression 7.7 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 39.7 kB or 84% of the original size.

Image Optimization

-23%

Potential reduce by 53.1 kB

  • Original 232.7 kB
  • After minification 179.6 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, Rsr Olymp needs image optimization as it can save up to 53.1 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 147.2 kB

  • Original 214.8 kB
  • After minification 189.7 kB
  • After compression 67.5 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 147.2 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 12.8 kB

  • Original 15.6 kB
  • After minification 12.4 kB
  • After compression 2.8 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. Rsr-olymp.ru needs all CSS files to be minified and compressed as it can save up to 12.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (44%)

Requests Now

16

After Optimization

9

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rsr Olymp. 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 as a result speed up the page load time.

Accessibility Review

rsr-olymp.ru accessibility score

77

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

rsr-olymp.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

rsr-olymp.ru SEO score

55

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rsr-olymp.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rsr-olymp.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 Rsr Olymp. 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: