Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

openbook.org.ua

Скачать книги бесплатно epub, fb2, pdf - Открытая книга

Page Load Speed

11.2 sec in total

First Response

2.8 sec

Resources Loaded

8 sec

Page Rendered

389 ms

openbook.org.ua screenshot

About Website

Visit openbook.org.ua now to see the best up-to-date Openbook content for Russia and also check out these interesting facts you probably never knew about openbook.org.ua

Скачать книги бесплатно в форматах fb2, epub, mobi, pdf. Читать книги онлайн. Все о книгах: тексты, отзывы

Visit openbook.org.ua

Key Findings

We analyzed Openbook.org.ua page load time and found that the first response time was 2.8 sec and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

openbook.org.ua performance score

0

Network Requests Diagram

openbook.org.ua

2833 ms

css

26 ms

css

37 ms

k2.css

244 ms

template.css

247 ms

Our browser made a total of 159 requests to load all elements on the main page. We found that 27% of them (43 requests) were addressed to the original Openbook.org.ua, 9% (14 requests) were made to O.twimg.com and 6% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Openbook.org.ua.

Page Optimization Overview & Recommendations

Page size can be reduced by 863.0 kB (44%)

Content Size

2.0 MB

After Optimization

1.1 MB

In fact, the total size of Openbook.org.ua main page is 2.0 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. 70% of websites need less resources to load. Javascripts take 925.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 153.3 kB

  • Original 204.6 kB
  • After minification 202.3 kB
  • After compression 51.2 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 153.3 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 23.9 kB

  • Original 710.1 kB
  • After minification 686.2 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. Openbook images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 584.2 kB

  • Original 925.9 kB
  • After minification 905.8 kB
  • After compression 341.7 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 584.2 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 101.5 kB

  • Original 125.2 kB
  • After minification 90.1 kB
  • After compression 23.7 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. Openbook.org.ua needs all CSS files to be minified and compressed as it can save up to 101.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 85 (62%)

Requests Now

137

After Optimization

52

The browser has sent 137 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Openbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

SEO Factors

openbook.org.ua SEO score

0

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 Openbook.org.ua 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 Openbook.org.ua 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 Openbook. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: