Tools & Wizards About Us
cool-reader.ru screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

cool-reader.ru

Cool Reader™ официальный сайт, бесплатно скачать читалку CoolReader для Windows на русском

Page Load Speed

3.5 sec in total

First Response

154 ms

Resources Loaded

3.2 sec

Page Rendered

150 ms

cool-reader.ru screenshot

About Website

Visit cool-reader.ru now to see the best up-to-date Cool Reader content for Russia and also check out these interesting facts you probably never knew about cool-reader.ru

Последняя версия Cool Reader БЕСПЛАТНО ➤ ➤ ➤ Скачайте программу без регистрации и SMS на нашем сайте!

Visit cool-reader.ru

Key Findings

We analyzed Cool-reader.ru page load time and found that the first response time was 154 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 60% of websites can load faster.

Performance Metrics

cool-reader.ru performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.228

55/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

Network Requests Diagram

cool-reader.ru

154 ms

cool-reader.ru

210 ms

style.css

14 ms

A9NSju8mC.js

699 ms

adsbygoogle.js

44 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 29% of them (5 requests) were addressed to the original Cool-reader.ru, 18% (3 requests) were made to Mc.yandex.com and 12% (2 requests) were made to Ad.mail.ru. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source R.mradx.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 136.8 kB (38%)

Content Size

358.3 kB

After Optimization

221.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cool-reader.ru main page is 358.3 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. Only 10% of websites need less resources to load. Javascripts take 310.8 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 8.6 kB

  • Original 13.9 kB
  • After minification 13.7 kB
  • After compression 5.3 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 8.6 kB or 62% of the original size.

Image Optimization

-9%

Potential reduce by 3.0 kB

  • Original 32.5 kB
  • After minification 29.5 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. Cool Reader images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 125.0 kB

  • Original 310.8 kB
  • After minification 310.8 kB
  • After compression 185.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 125.0 kB or 40% of the original size.

CSS Optimization

-20%

Potential reduce by 224 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 912 B

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. Cool-reader.ru needs all CSS files to be minified and compressed as it can save up to 224 B or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (36%)

Requests Now

14

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cool Reader. 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

cool-reader.ru

cool-reader.ru

154 ms

cool-reader.ru

cool-reader.ru

210 ms

style.css

style.css

14 ms

A9NSju8mC.js

A9NSju8mC.js

699 ms

adsbygoogle.js

adsbygoogle.js

44 ms

ads-async.js

ads-async.js

717 ms

tag.js

tag.js

946 ms

hit

hit

672 ms

logo.png

logo.png

11 ms

download.png

download.png

20 ms

hit

hit

134 ms

D4E54B.js

D4E54B.js

1111 ms

advert.gif

advert.gif

689 ms

sync_cookie_image_decide

sync_cookie_image_decide

163 ms

vkAuth.html

vkAuth.html

142 ms

1

1

141 ms

openapi.c340c125c61ec5745ebb2a98626e46ab.js

openapi.c340c125c61ec5745ebb2a98626e46ab.js

252 ms

Accessibility Review

cool-reader.ru accessibility score

74

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

cool-reader.ru best practices score

75

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cool-reader.ru SEO score

92

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

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 Cool-reader.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 Cool-reader.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

cool-reader.ru

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