Tools & Wizards About Us
bestseller.kz screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

bestseller.kz

Казахстанский книжный интернет-магазин | Bestseller

Page Load Speed

28 sec in total

First Response

1.5 sec

Resources Loaded

26 sec

Page Rendered

546 ms

bestseller.kz screenshot

About Website

Visit bestseller.kz now to see the best up-to-date Bestseller content for Kazakhstan and also check out these interesting facts you probably never knew about bestseller.kz

В интернет-магазине Bestseller вы найдете большой выбор книжной продукции по привлекательным ценам. Доставка во все города Казахстана.

Visit bestseller.kz

Key Findings

We analyzed Bestseller.kz page load time and found that the first response time was 1.5 sec and then it took 26.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bestseller.kz performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.4 s

0/100

25%

SI (Speed Index)

Value21.9 s

0/100

10%

TBT (Total Blocking Time)

Value13,690 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value26.3 s

0/100

10%

Network Requests Diagram

bestseller.kz

1505 ms

bestseller.kz

3689 ms

kernel_main.css

603 ms

kernel_socialservices.css

611 ms

page_1a334540dd5cfafecb0bd92259f3454c.css

823 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 62% of them (58 requests) were addressed to the original Bestseller.kz, 13% (12 requests) were made to Widgets.livetex.ru and 3% (3 requests) were made to Io2-push11.livetex.ru. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain Bestseller.kz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (53%)

Content Size

2.6 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bestseller.kz main page is 2.6 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 973.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 238.2 kB

  • Original 291.9 kB
  • After minification 275.5 kB
  • After compression 53.8 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 238.2 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 38.7 kB

  • Original 922.2 kB
  • After minification 883.6 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. Bestseller images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 740.4 kB

  • Original 973.0 kB
  • After minification 805.3 kB
  • After compression 232.6 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 740.4 kB or 76% of the original size.

CSS Optimization

-87%

Potential reduce by 330.5 kB

  • Original 377.7 kB
  • After minification 341.7 kB
  • After compression 47.2 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. Bestseller.kz needs all CSS files to be minified and compressed as it can save up to 330.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (37%)

Requests Now

81

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bestseller. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bestseller.kz

bestseller.kz

1505 ms

bestseller.kz

bestseller.kz

3689 ms

kernel_main.css

kernel_main.css

603 ms

kernel_socialservices.css

kernel_socialservices.css

611 ms

page_1a334540dd5cfafecb0bd92259f3454c.css

page_1a334540dd5cfafecb0bd92259f3454c.css

823 ms

template_be5f29f9962c95364dbf5844a63fd991.css

template_be5f29f9962c95364dbf5844a63fd991.css

612 ms

bootstrap.min.css

bootstrap.min.css

806 ms

custom.css

custom.css

836 ms

resp.css

resp.css

836 ms

carousel.css

carousel.css

839 ms

jquery.min.js

jquery.min.js

338 ms

jquery-migrate-1.2.1.js

jquery-migrate-1.2.1.js

115 ms

bootstrap.min.js

bootstrap.min.js

1039 ms

offcanvas.js

offcanvas.js

989 ms

slick.js

slick.js

1034 ms

scripts.js

scripts.js

1033 ms

kernel_main.js

kernel_main.js

5032 ms

core_db.js

core_db.js

1200 ms

core_frame_cache.js

core_frame_cache.js

1226 ms

kernel_socialservices.js

kernel_socialservices.js

1227 ms

kernel_currency.js

kernel_currency.js

1227 ms

template_ea1a7f7783e1168e7f241c67fe0b7fc1.js

template_ea1a7f7783e1168e7f241c67fe0b7fc1.js

2619 ms

page_19ca2eb1af282687c41e0e3fc82e80fd.js

page_19ca2eb1af282687c41e0e3fc82e80fd.js

1741 ms

conversion.js

conversion.js

100 ms

ba.js

ba.js

1260 ms

client.js

client.js

816 ms

analytics.js

analytics.js

167 ms

458 ms

logo_bestseller.svg

logo_bestseller.svg

1091 ms

tab1.jpg

tab1.jpg

19939 ms

tab2.jpg

tab2.jpg

3051 ms

tab3.jpg

tab3.jpg

2803 ms

wishlist_icon.png

wishlist_icon.png

441 ms

ffd22565061c5570d9272beaa03d4ef1.jpg

ffd22565061c5570d9272beaa03d4ef1.jpg

3526 ms

0ded348d8567ad7a175fe4c62cae4976.jpg

0ded348d8567ad7a175fe4c62cae4976.jpg

2074 ms

7a41c1dff1b1cc60f986d817c6c95814.jpg

7a41c1dff1b1cc60f986d817c6c95814.jpg

4522 ms

vkk.png

vkk.png

2283 ms

gui.png

gui.png

2498 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

3262 ms

10ee0b02ad4e5e95e9f0f298147d95e3.jpg

10ee0b02ad4e5e95e9f0f298147d95e3.jpg

5722 ms

stick_disc.png

stick_disc.png

3266 ms

5c3728382b00cde390dd13e98b44da27.jpg

5c3728382b00cde390dd13e98b44da27.jpg

3968 ms

29aeaa69e257d5b3b8dad37593fff0ca.jpg

29aeaa69e257d5b3b8dad37593fff0ca.jpg

3482 ms

2edf8669d48e44fcd702ced1d8d27723.jpg

2edf8669d48e44fcd702ced1d8d27723.jpg

4192 ms

81e34027535c26a4a6d36b81c996e9fc.jpg

81e34027535c26a4a6d36b81c996e9fc.jpg

3952 ms

56cc3c4f61ce4962a13d60ff5fa48500.jpg

56cc3c4f61ce4962a13d60ff5fa48500.jpg

4441 ms

4639aea7c05fccef4ea68d0cc904299e.jpg

4639aea7c05fccef4ea68d0cc904299e.jpg

4438 ms

4fac9ddc79f784bb4dcb628fa2c3efdb.jpg

4fac9ddc79f784bb4dcb628fa2c3efdb.jpg

6325 ms

4011446c085be86419baf489fe09c3cc.jpg

4011446c085be86419baf489fe09c3cc.jpg

5625 ms

collect

collect

95 ms

collect

collect

589 ms

collect

collect

259 ms

8682ac06e31f8f0df3e2a00c1587706f.jpg

8682ac06e31f8f0df3e2a00c1587706f.jpg

5854 ms

c108a6364da2050ed8a16d3158542126.jpg

c108a6364da2050ed8a16d3158542126.jpg

6242 ms

b446f215bc7fa4140fdef1c823245fbc.jpg

b446f215bc7fa4140fdef1c823245fbc.jpg

8225 ms

da4644ad26454d02703590cd6e885aaa.jpg

da4644ad26454d02703590cd6e885aaa.jpg

6269 ms

watch.js

watch.js

3 ms

recoms.php

recoms.php

744 ms

ajax_counter.php

ajax_counter.php

7214 ms

ajax-loader.gif

ajax-loader.gif

6007 ms

slider_arrow.png

slider_arrow.png

6432 ms

pagination_dot.png

pagination_dot.png

6045 ms

sprite-1x.png

sprite-1x.png

6060 ms

558 ms

slick.woff

slick.woff

6246 ms

ga-audiences

ga-audiences

296 ms

ajax.php

ajax.php

6269 ms

app3.js

app3.js

1457 ms

bx_stat

bx_stat

214 ms

111563.js

111563.js

173 ms

widget-ui-3.js

widget-ui-3.js

883 ms

Roboto:400,700,500,300,100&subset=cyrillic,latin

Roboto:400,700,500,300,100&subset=cyrillic,latin

188 ms

111563.css

111563.css

430 ms

190 ms

event-service-app.widgets-thrift-http

event-service-app.widgets-thrift-http

2347 ms

auth

auth

1018 ms

client.js

client.js

710 ms

add-page

add-page

348 ms

1460146047279

1460146047279

748 ms

preloader.gif

preloader.gif

341 ms

offline_default_banner.jpg

offline_default_banner.jpg

352 ms

footer_bg.png

footer_bg.png

349 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2031 ms

livetex.woff

livetex.woff

349 ms

iconic-md.woff

iconic-md.woff

530 ms

deluxe.woff

deluxe.woff

349 ms

id-service-app.thrift-http

id-service-app.thrift-http

519 ms

id-service-app-0.thrift-http

id-service-app-0.thrift-http

1130 ms

2faa341a5e31771d609359f8ecc56ed6.jpg

2faa341a5e31771d609359f8ecc56ed6.jpg

1182 ms

stick_disc.png

stick_disc.png

223 ms

351a17a3b13c595549a0883c91d10cb7.jpg

351a17a3b13c595549a0883c91d10cb7.jpg

918 ms

060f1cd6badad9f9937f5ce4b77009a4.jpg

060f1cd6badad9f9937f5ce4b77009a4.jpg

1120 ms

0ff450b78ba6a9e5b78de51c93be6e7e.jpg

0ff450b78ba6a9e5b78de51c93be6e7e.jpg

688 ms

event-service-app.leadhub-thrift-http

event-service-app.leadhub-thrift-http

166 ms

Accessibility Review

bestseller.kz accessibility score

90

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

Buttons do not have an accessible name

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.

Best Practices

bestseller.kz best practices score

75

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

High

Page has valid source maps

SEO Factors

bestseller.kz SEO score

88

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

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

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bestseller.kz can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Bestseller.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

bestseller.kz

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