Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

mirknih.ru

Мир Книг электронная библиотека - скачать бесплатно на MirKnig

Page Load Speed

6.5 sec in total

First Response

416 ms

Resources Loaded

5.1 sec

Page Rendered

999 ms

About Website

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

На сайте электронной библиотеки вы можете скачать бесплатно книги в разных форматах, подписывайтесь на MirKnig!

Visit mirknih.ru

Key Findings

We analyzed Mirknih.ru page load time and found that the first response time was 416 ms and then it took 6.1 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

mirknih.ru performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value940 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.206

60/100

15%

TTI (Time to Interactive)

Value20.4 s

2/100

10%

Network Requests Diagram

mirknih.ru

416 ms

www.mirknih.ru

2209 ms

style.css

175 ms

main.css

431 ms

post.css

349 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 91% of them (62 requests) were addressed to the original Mirknih.ru, 1% (1 request) were made to Pagead2.googlesyndication.com and 1% (1 request) were made to Yandex.ru. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Mirknih.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 516.5 kB (32%)

Content Size

1.6 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mirknih.ru main page is 1.6 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. 55% of websites need less resources to load. Images take 876.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 72.0 kB

  • Original 97.1 kB
  • After minification 94.8 kB
  • After compression 25.1 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 72.0 kB or 74% of the original size.

Image Optimization

-5%

Potential reduce by 41.6 kB

  • Original 876.3 kB
  • After minification 834.7 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. Mir Knih images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 194.9 kB

  • Original 397.8 kB
  • After minification 395.7 kB
  • After compression 202.9 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 194.9 kB or 49% of the original size.

CSS Optimization

-83%

Potential reduce by 207.9 kB

  • Original 250.3 kB
  • After minification 247.1 kB
  • After compression 42.3 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. Mirknih.ru needs all CSS files to be minified and compressed as it can save up to 207.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (24%)

Requests Now

66

After Optimization

50

  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mir Knih. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

mirknih.ru accessibility score

92

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.

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

Links do not have a discernible name

Best Practices

mirknih.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

High

Page has valid source maps

SEO Factors

mirknih.ru SEO score

100

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mirknih.ru 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 Mirknih.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 data is detected on the main page of Mir Knih. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: