Report Summary

  • 10

    Performance

    Renders faster than
    31% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 54

    SEO

    Google-friendlier than
    29% of websites

bibliotekar.kz

bibliotekar.kz - Казахская электронная библиотека

Page Load Speed

4.2 sec in total

First Response

628 ms

Resources Loaded

3.2 sec

Page Rendered

323 ms

bibliotekar.kz screenshot

About Website

Click here to check amazing Bibliotekar content for Kazakhstan. Otherwise, check out these important facts you probably never knew about bibliotekar.kz

Читать книги онлайн

Visit bibliotekar.kz

Key Findings

We analyzed Bibliotekar.kz page load time and found that the first response time was 628 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

bibliotekar.kz performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value20.2 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.513

15/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

bibliotekar.kz

628 ms

jquery.js

446 ms

common.js

464 ms

reset.css

465 ms

styles.css

675 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 17% of them (17 requests) were addressed to the original Bibliotekar.kz, 13% (13 requests) were made to Vk.com and 6% (6 requests) were made to Top-fwz1.mail.ru. The less responsive or slowest element that took the longest time to load (675 ms) belongs to the original domain Bibliotekar.kz.

Page Optimization Overview & Recommendations

Page size can be reduced by 645.2 kB (64%)

Content Size

1.0 MB

After Optimization

363.0 kB

In fact, the total size of Bibliotekar.kz main page is 1.0 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. 60% of websites need less resources to load. Javascripts take 672.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 61.5 kB

  • Original 77.6 kB
  • After minification 65.8 kB
  • After compression 16.0 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. This page needs HTML code to be minified as it can gain 11.8 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 61.5 kB or 79% of the original size.

Image Optimization

-18%

Potential reduce by 19.5 kB

  • Original 108.7 kB
  • After minification 89.2 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. Obviously, Bibliotekar needs image optimization as it can save up to 19.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 440.3 kB

  • Original 672.5 kB
  • After minification 601.1 kB
  • After compression 232.2 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 440.3 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 123.9 kB

  • Original 149.5 kB
  • After minification 122.1 kB
  • After compression 25.5 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. Bibliotekar.kz needs all CSS files to be minified and compressed as it can save up to 123.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (58%)

Requests Now

89

After Optimization

37

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bibliotekar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bibliotekar.kz accessibility score

60

Accessibility Issues

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

bibliotekar.kz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

bibliotekar.kz SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibliotekar.kz 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Bibliotekar.kz 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 Bibliotekar. 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: