Tools & Wizards About Us
knizh.ru screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

knizh.ru

Knizh.club – бесплатная библиотека электронных книг – читать онлайн или скачать книги бесплатно

Page Load Speed

21 sec in total

First Response

159 ms

Resources Loaded

20.5 sec

Page Rendered

298 ms

knizh.ru screenshot

About Website

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

Knizh.club предоставляет вам огромный выбор электронных и аудиокниг, которые можно читать онлайн онлайн бесплатно или скачать.

Visit knizh.ru

Key Findings

We analyzed Knizh.ru page load time and found that the first response time was 159 ms and then it took 20.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

knizh.ru performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value2,000 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.194

63/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

knizh.ru

159 ms

knizh.ru

273 ms

knizh.club

337 ms

kniz.css

17 ms

jquery.min.js

24 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Knizh.ru, 72% (33 requests) were made to Knizh.club and 13% (6 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Site.yandex.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.2 kB (7%)

Content Size

552.5 kB

After Optimization

513.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Knizh.ru main page is 552.5 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. 35% of websites need less resources to load. Images take 324.3 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 24.9 kB

  • Original 32.9 kB
  • After minification 30.5 kB
  • After compression 8.1 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 24.9 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 11.8 kB

  • Original 324.3 kB
  • After minification 312.5 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. Knizh images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 456 B

  • Original 185.2 kB
  • After minification 185.2 kB
  • After compression 184.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-20%

Potential reduce by 2.0 kB

  • Original 10.0 kB
  • After minification 10.0 kB
  • After compression 8.0 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. Knizh.ru needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (14%)

Requests Now

42

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knizh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

knizh.ru

knizh.ru

159 ms

knizh.ru

knizh.ru

273 ms

knizh.club

knizh.club

337 ms

kniz.css

kniz.css

17 ms

jquery.min.js

jquery.min.js

24 ms

scripts.js

scripts.js

40 ms

context.js

context.js

1090 ms

adaptive.css

adaptive.css

38 ms

adaptive.js

adaptive.js

43 ms

adsbygoogle.js

adsbygoogle.js

93 ms

email-decode.min.js

email-decode.min.js

20 ms

all.js

all.js

19684 ms

tag.js

tag.js

917 ms

logo_knizh.png

logo_knizh.png

57 ms

82848.jpg

82848.jpg

57 ms

71228.jpg

71228.jpg

57 ms

71231.jpg

71231.jpg

56 ms

82847.jpg

82847.jpg

243 ms

82849.jpg

82849.jpg

67 ms

84320.jpg

84320.jpg

68 ms

82855.jpg

82855.jpg

65 ms

71237.jpg

71237.jpg

73 ms

71230.jpg

71230.jpg

65 ms

84323.jpg

84323.jpg

76 ms

71236.jpg

71236.jpg

78 ms

82861.jpg

82861.jpg

76 ms

96519.jpg

96519.jpg

308 ms

96518.jpg

96518.jpg

425 ms

96502.jpg

96502.jpg

429 ms

96497.jpg

96497.jpg

317 ms

96488.jpg

96488.jpg

207 ms

96489.jpg

96489.jpg

446 ms

96491.jpg

96491.jpg

487 ms

96495.jpg

96495.jpg

664 ms

96471.jpg

96471.jpg

679 ms

96473.jpg

96473.jpg

665 ms

96477.jpg

96477.jpg

671 ms

96461.jpg

96461.jpg

691 ms

96456.jpg

96456.jpg

876 ms

96458.jpg

96458.jpg

995 ms

advert.gif

advert.gif

662 ms

sync_cookie_image_decide

sync_cookie_image_decide

151 ms

1

1

136 ms

1

1

137 ms

1

1

311 ms

1

1

317 ms

Accessibility Review

knizh.ru accessibility score

82

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

knizh.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

High

Page has valid source maps

SEO Factors

knizh.ru SEO score

97

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Knizh.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 Knizh.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

knizh.ru

Open Graph data is detected on the main page of Knizh. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: