Tools & Wizards About Us
knigka.info screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

knigka.info

Скачать электронные книги: Упрощенная система налогобложения, учета и отчетности, Уход за больными после инсульта. Учебное пособие по реабилитации, Те...

Page Load Speed

3 sec in total

First Response

362 ms

Resources Loaded

2.3 sec

Page Rendered

296 ms

knigka.info screenshot

About Website

Welcome to knigka.info homepage info - get ready to check Knigka best content for Russia right away, or after learning these important things about knigka.info

Cкачать электронные книги с интернет библиотеки Книжка. Сайт про самые лучшие и новые книги онлайн

Visit knigka.info

Key Findings

We analyzed Knigka.info page load time and found that the first response time was 362 ms and then it took 2.6 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

knigka.info performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.271

45/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

knigka.info

362 ms

knigka.info

463 ms

style.css

88 ms

engine.css

176 ms

tizer.css

268 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 68% of them (36 requests) were addressed to the original Knigka.info, 11% (6 requests) were made to Counter.yadro.ru and 4% (2 requests) were made to Yandex.ru. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Knigka.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.5 kB (37%)

Content Size

243.9 kB

After Optimization

153.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Knigka.info main page is 243.9 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. 20% of websites need less resources to load. HTML takes 91.4 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 73.7 kB

  • Original 91.4 kB
  • After minification 87.8 kB
  • After compression 17.7 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 73.7 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 8.1 kB

  • Original 72.3 kB
  • After minification 64.3 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, Knigka needs image optimization as it can save up to 8.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 8.6 kB

  • Original 76.1 kB
  • After minification 76.1 kB
  • After compression 67.6 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 8.6 kB or 11% of the original size.

CSS Optimization

-3%

Potential reduce by 125 B

  • Original 4.1 kB
  • After minification 4.1 kB
  • After compression 3.9 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. Knigka.info has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (51%)

Requests Now

43

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knigka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

knigka.info

knigka.info

362 ms

knigka.info

knigka.info

463 ms

style.css

style.css

88 ms

engine.css

engine.css

176 ms

tizer.css

tizer.css

268 ms

context.js

context.js

1093 ms

ABP0nPP_k.js

ABP0nPP_k.js

741 ms

loader.js

loader.js

654 ms

urchin.js

urchin.js

8 ms

ads-min.js

ads-min.js

513 ms

228 ms

top100.cnt

top100.cnt

376 ms

download32.png

download32.png

90 ms

b20a1bc03f5de77089932d9a65e5d949.jpeg

b20a1bc03f5de77089932d9a65e5d949.jpeg

131 ms

sparky.gif

sparky.gif

171 ms

09031454f8bbcc9ed2f2301eafa98c8b.jpeg

09031454f8bbcc9ed2f2301eafa98c8b.jpeg

207 ms

141bc5ad3c3010aae4b368b4e63ae184.jpeg

141bc5ad3c3010aae4b368b4e63ae184.jpeg

248 ms

d75016082b8d4c66a279c135bfc48f67.jpeg

d75016082b8d4c66a279c135bfc48f67.jpeg

288 ms

5ee1d02794fefc2e3580936a6babea5a.jpeg

5ee1d02794fefc2e3580936a6babea5a.jpeg

327 ms

82d5a2b897777025bdf09be59a772da0.jpeg

82d5a2b897777025bdf09be59a772da0.jpeg

365 ms

999414bb6ef090e0cbcc833846222e47.jpeg

999414bb6ef090e0cbcc833846222e47.jpeg

412 ms

ff28580e26895f5288d96905a1c56a20.jpeg

ff28580e26895f5288d96905a1c56a20.jpeg

446 ms

903cfa6b03a90c11aa05d166d9685e12.jpeg

903cfa6b03a90c11aa05d166d9685e12.jpeg

487 ms

eb10783d12f808f50a779a5c4dad23ad.jpeg

eb10783d12f808f50a779a5c4dad23ad.jpeg

533 ms

logo.gif

logo.gif

567 ms

mivk.png

mivk.png

603 ms

loading.gif

loading.gif

649 ms

rating.gif

rating.gif

660 ms

zoomin.cur

zoomin.cur

710 ms

icons.gif

icons.gif

748 ms

line.gif

line.gif

781 ms

hit

hit

261 ms

watch.js

watch.js

1 ms

corner.gif

corner.gif

763 ms

bgl.gif

bgl.gif

806 ms

bgr.gif

bgr.gif

842 ms

edit.gif

edit.gif

881 ms

button.gif

button.gif

927 ms

bg.gif

bg.gif

963 ms

book.gif

book.gif

1003 ms

edit2.gif

edit2.gif

1045 ms

button2.gif

button2.gif

1086 ms

border.gif

border.gif

1122 ms

br.gif

br.gif

1162 ms

hit

hit

257 ms

__utm.gif

__utm.gif

29 ms

586 ms

cycounter

cycounter

554 ms

hit

hit

506 ms

hit

hit

508 ms

top100.cnt

top100.cnt

510 ms

hit

hit

127 ms

hit

hit

126 ms

Accessibility Review

knigka.info accessibility score

46

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

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

Best Practices

knigka.info best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

knigka.info SEO score

69

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Knigka.info 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 Knigka.info 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

knigka.info

Open Graph description is not detected on the main page of Knigka. 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: