Report Summary

  • 80

    Performance

    Renders faster than
    87% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

ellib.org.ua

Электронная библиотека онлайн ELLIB - Книги, Учебники... || Полнотекстовая Электронная библиотека он-лайн. Здесь Вы можете прочесть интересующие книги...

Page Load Speed

2.9 sec in total

First Response

643 ms

Resources Loaded

1.9 sec

Page Rendered

397 ms

ellib.org.ua screenshot

About Website

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

Полнотекстовая Электронная библиотека он-лайн. Здесь Вы можете прочесть интересующие книги, учебники, пособия на украинском и русском языках., Содержание.

Visit ellib.org.ua

Key Findings

We analyzed Ellib.org.ua page load time and found that the first response time was 643 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

ellib.org.ua performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

ellib.org.ua

643 ms

global_func.js

102 ms

block_error.js

193 ms

jquery.mousewheel-3.0.4.pack.js

206 ms

jquery.fancybox-1.3.4.pack.js

205 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 76% of them (19 requests) were addressed to the original Ellib.org.ua, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Scripts.mycounter.ua. The less responsive or slowest element that took the longest time to load (643 ms) belongs to the original domain Ellib.org.ua.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.2 kB (63%)

Content Size

201.7 kB

After Optimization

75.5 kB

In fact, the total size of Ellib.org.ua main page is 201.7 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. Javascripts take 119.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 36.1 kB

  • Original 43.0 kB
  • After minification 42.7 kB
  • After compression 6.9 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 36.1 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 564 B

  • Original 18.2 kB
  • After minification 17.6 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. ELLIB images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 72.1 kB

  • Original 119.1 kB
  • After minification 102.2 kB
  • After compression 46.9 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 72.1 kB or 61% of the original size.

CSS Optimization

-81%

Potential reduce by 17.4 kB

  • Original 21.5 kB
  • After minification 16.7 kB
  • After compression 4.1 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. Ellib.org.ua needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (71%)

Requests Now

24

After Optimization

7

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ELLIB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ellib.org.ua accessibility score

84

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

ellib.org.ua best practices score

67

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

SEO Factors

ellib.org.ua SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    UK

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ellib.org.ua can be misinterpreted by Google and other search engines. Our service has detected that Ukrainian 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 Ellib.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 description is not detected on the main page of ELLIB. 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: