Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    29% of websites

  • 62

    SEO

    Google-friendlier than
    32% of websites

diofant.ru

Diofant.ru:: Задачи для тренировки ума и продления жизни.

Page Load Speed

11 sec in total

First Response

2.6 sec

Resources Loaded

8 sec

Page Rendered

401 ms

diofant.ru screenshot

About Website

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

Diofant.ru:: Задачи для тренировки ума и продления жизни. Человек живет, пока думает. Решайте задачи и живите долго.

Visit diofant.ru

Key Findings

We analyzed Diofant.ru page load time and found that the first response time was 2.6 sec and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

diofant.ru performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

www.diofant.ru

2597 ms

main.css

198 ms

tooltips.css

393 ms

prototype.js

1298 ms

md5.js

852 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 81% of them (66 requests) were addressed to the original Diofant.ru, 4% (3 requests) were made to Pagead2.googlesyndication.com and 4% (3 requests) were made to An.yandex.ru. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Diofant.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 404.5 kB (75%)

Content Size

536.7 kB

After Optimization

132.2 kB

In fact, the total size of Diofant.ru main page is 536.7 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. 30% of websites need less resources to load. Javascripts take 346.4 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 126.4 kB

  • Original 148.5 kB
  • After minification 128.8 kB
  • After compression 22.1 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. This page needs HTML code to be minified as it can gain 19.7 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 126.4 kB or 85% of the original size.

Image Optimization

-27%

Potential reduce by 1.5 kB

  • Original 5.5 kB
  • After minification 4.0 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, Diofant needs image optimization as it can save up to 1.5 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 246.8 kB

  • Original 346.4 kB
  • After minification 300.4 kB
  • After compression 99.6 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 246.8 kB or 71% of the original size.

CSS Optimization

-82%

Potential reduce by 29.9 kB

  • Original 36.3 kB
  • After minification 26.5 kB
  • After compression 6.4 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. Diofant.ru needs all CSS files to be minified and compressed as it can save up to 29.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (47%)

Requests Now

78

After Optimization

41

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diofant. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

diofant.ru accessibility score

61

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

diofant.ru best practices score

58

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

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

SEO Factors

diofant.ru SEO score

62

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diofant.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Diofant.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 Diofant. 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: