Tools & Wizards About Us
books4study.info screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

books4study.info

Page Load Speed

2.5 sec in total

First Response

293 ms

Resources Loaded

2.1 sec

Page Rendered

54 ms

books4study.info screenshot

About Website

Visit books4study.info now to see the best up-to-date Books 4 Study content for Russia and also check out these interesting facts you probably never knew about books4study.info

Visit books4study.info

Key Findings

We analyzed Books4study.info page load time and found that the first response time was 293 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

books4study.info performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

books4study.info

293 ms

www.fcpro.ru

174 ms

fcpro.ru

289 ms

russians-diploms.com

555 ms

russiany-diplomans.com

436 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 17% of them (1 request) were addressed to the original Books4study.info, 33% (2 requests) were made to Fcpro.ru and 17% (1 request) were made to Russians-diploms.com. The less responsive or slowest element that took the longest time to load (555 ms) relates to the external source Russians-diploms.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.9 kB (36%)

Content Size

201.9 kB

After Optimization

130.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Books4study.info main page is 201.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 137.1 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 7.0 kB

  • Original 9.7 kB
  • After minification 9.7 kB
  • After compression 2.8 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 7.0 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 56 B

  • Original 44.5 kB
  • After minification 44.5 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. Books 4 Study images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 56.8 kB

  • Original 137.1 kB
  • After minification 137.1 kB
  • After compression 80.2 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 56.8 kB or 41% of the original size.

CSS Optimization

-76%

Potential reduce by 8.1 kB

  • Original 10.5 kB
  • After minification 8.2 kB
  • After compression 2.5 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. Books4study.info needs all CSS files to be minified and compressed as it can save up to 8.1 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

books4study.info

books4study.info

293 ms

www.fcpro.ru

www.fcpro.ru

174 ms

fcpro.ru

fcpro.ru

289 ms

russians-diploms.com

russians-diploms.com

555 ms

russiany-diplomans.com

russiany-diplomans.com

436 ms

russkie-diplomsy.com

russkie-diplomsy.com

373 ms

Accessibility Review

books4study.info accessibility score

100

Accessibility Issues

Best Practices

books4study.info best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

books4study.info SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

    N/A

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Books4study.info can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Russian. Our system also found out that Books4study.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

books4study.info

Open Graph description is not detected on the main page of Books 4 Study. 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: