Tools & Wizards About Us
kolex.ru screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    41% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

kolex.ru

Интернет-магазин шин и дисков в в Самаре, розница и опт | KOLEX (КОЛЕКС)

Page Load Speed

6.2 sec in total

First Response

1.1 sec

Resources Loaded

4.8 sec

Page Rendered

323 ms

kolex.ru screenshot

About Website

Welcome to kolex.ru homepage info - get ready to check KOLEX best content for Russia right away, or after learning these important things about kolex.ru

Шины и диски в Самаре. Доставка по всей России. Отдел розничной продажи — телефон: 8 (800) 234-73-43; почта: info@kolex.ru | Отдел оптовой продажи — телефон: +7 (927) 603-22-25; почта: info@kolex.ru |...

Visit kolex.ru

Key Findings

We analyzed Kolex.ru page load time and found that the first response time was 1.1 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

kolex.ru performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value19,300 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value28.0 s

0/100

10%

Network Requests Diagram

kolex.ru

1087 ms

main.css

301 ms

menu.css

303 ms

jqModal.css

305 ms

jquery.jgrowl.css

304 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 86% of them (83 requests) were addressed to the original Kolex.ru, 4% (4 requests) were made to Google-analytics.com and 3% (3 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Kolex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 910.1 kB (36%)

Content Size

2.5 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kolex.ru main page is 2.5 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. 45% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 119.4 kB

  • Original 138.8 kB
  • After minification 109.2 kB
  • After compression 19.4 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 29.6 kB, which is 21% 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 119.4 kB or 86% of the original size.

Image Optimization

-10%

Potential reduce by 160.6 kB

  • Original 1.6 MB
  • After minification 1.4 MB

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. KOLEX images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 587.3 kB

  • Original 754.5 kB
  • After minification 522.8 kB
  • After compression 167.2 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 587.3 kB or 78% of the original size.

CSS Optimization

-86%

Potential reduce by 42.8 kB

  • Original 49.9 kB
  • After minification 34.0 kB
  • After compression 7.1 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. Kolex.ru needs all CSS files to be minified and compressed as it can save up to 42.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (24%)

Requests Now

92

After Optimization

70

  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KOLEX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kolex.ru

kolex.ru

1087 ms

main.css

main.css

301 ms

menu.css

menu.css

303 ms

jqModal.css

jqModal.css

305 ms

jquery.jgrowl.css

jquery.jgrowl.css

304 ms

jquery.js

jquery.js

750 ms

jquery.scrollTo-min.js

jquery.scrollTo-min.js

304 ms

jquery-ui-custom.min.js

jquery-ui-custom.min.js

887 ms

jquery-ui-touch.js

jquery-ui-touch.js

442 ms

jquery.livequery.js

jquery.livequery.js

454 ms

jqModal.js

jqModal.js

455 ms

jquery.jgrowl_minimized.js

jquery.jgrowl_minimized.js

442 ms

yepnope-min.js

yepnope-min.js

585 ms

jquery.address.min.js

jquery.address.min.js

586 ms

functions.js

functions.js

767 ms

jquery.maskedinput.js

jquery.maskedinput.js

604 ms

jcarousellite.js

jcarousellite.js

728 ms

share.js

share.js

12 ms

barousel_demo.css

barousel_demo.css

726 ms

jquery.barousel.min.js

jquery.barousel.min.js

763 ms

analytics.js

analytics.js

55 ms

header_pad.jpg

header_pad.jpg

288 ms

logo.png

logo.png

185 ms

f_basket_header.png

f_basket_header.png

186 ms

f_basket_pad.jpg

f_basket_pad.jpg

186 ms

content_pad.jpg

content_pad.jpg

300 ms

search_pad.jpg

search_pad.jpg

184 ms

search.png

search.png

322 ms

x.png

x.png

318 ms

send.png

send.png

321 ms

f_enter_header.png

f_enter_header.png

316 ms

f_enter_pad.jpg

f_enter_pad.jpg

431 ms

enter.png

enter.png

446 ms

ts.png

ts.png

458 ms

sto.png

sto.png

462 ms

banner2.jpg

banner2.jpg

612 ms

recall.png

recall.png

468 ms

phone2.png

phone2.png

575 ms

f_news_header.png

f_news_header.png

602 ms

f_news_pad.jpg

f_news_pad.jpg

601 ms

9e53b30ac8d15d871e124d905f0a768528c9fbbc.jpg

9e53b30ac8d15d871e124d905f0a768528c9fbbc.jpg

604 ms

822348cae01dfa57147a0d9f39f01ed5474bb63e.jpg

822348cae01dfa57147a0d9f39f01ed5474bb63e.jpg

616 ms

cc394f63fbcecf1edb9aced2c1e474ad833e9a34.jpg

cc394f63fbcecf1edb9aced2c1e474ad833e9a34.jpg

725 ms

3_1_FFFFFFFF_EFEFEFFF_0_pageviews

3_1_FFFFFFFF_EFEFEFFF_0_pageviews

242 ms

logo

logo

266 ms

logo_clients_white.png

logo_clients_white.png

280 ms

f_tyre_header.png

f_tyre_header.png

720 ms

f_padding.jpg

f_padding.jpg

722 ms

select.png

select.png

716 ms

f_disc_header.png

f_disc_header.png

866 ms

39.jpg

39.jpg

1029 ms

40.jpg

40.jpg

1420 ms

35.jpg

35.jpg

1468 ms

38.jpg

38.jpg

1172 ms

36.jpg

36.jpg

1500 ms

37.jpg

37.jpg

1644 ms

29.jpg

29.jpg

1344 ms

24.jpg

24.jpg

1764 ms

25.jpg

25.jpg

2264 ms

30.jpg

30.jpg

1749 ms

ec.js

ec.js

12 ms

collect

collect

106 ms

collect

collect

7 ms

watch.js

watch.js

0 ms

b-share-icon.png

b-share-icon.png

14 ms

watch.js

watch.js

0 ms

hit

hit

264 ms

kajax

kajax

1941 ms

barum_bravuris_2.jpg

barum_bravuris_2.jpg

1484 ms

buy.png

buy.png

1510 ms

champiro_eco.jpg

champiro_eco.jpg

1625 ms

collect

collect

4 ms

barum_vanis.jpg

barum_vanis.jpg

1559 ms

yokohama_v802.jpg

yokohama_v802.jpg

1645 ms

cordiant_comfort.jpg

cordiant_comfort.jpg

1641 ms

maxxis_ms800.jpg

maxxis_ms800.jpg

1639 ms

barum_bravuris_4x4.jpg

barum_bravuris_4x4.jpg

1668 ms

barum_bravuris_3hm.jpg

barum_bravuris_3hm.jpg

1790 ms

vr30.jpg

vr30.jpg

1678 ms

hit

hit

128 ms

rx_512.jpg

rx_512.jpg

1663 ms

mt_msr005_amb.jpg

mt_msr005_amb.jpg

1678 ms

replay_b181.jpg

replay_b181.jpg

1787 ms

kik_m56.jpg

kik_m56.jpg

1808 ms

replica_baosh_vega.jpg

replica_baosh_vega.jpg

1680 ms

replica_ns29.jpg

replica_ns29.jpg

1683 ms

replay_ci15.jpg

replay_ci15.jpg

1809 ms

k187.jpg

k187.jpg

1830 ms

kosei_op_unison.jpg

kosei_op_unison.jpg

1796 ms

bg_barousel_content.png

bg_barousel_content.png

1802 ms

f_spec_header.png

f_spec_header.png

1722 ms

loading.gif

loading.gif

1703 ms

f_cat_header.png

f_cat_header.png

1956 ms

footer_pad.jpg

footer_pad.jpg

1785 ms

jcarousellite.js

jcarousellite.js

1653 ms

jcarousellite.js

jcarousellite.js

163 ms

paper.css

paper.css

145 ms

Accessibility Review

kolex.ru accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible 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

kolex.ru 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

kolex.ru SEO score

84

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

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 Kolex.ru 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 Kolex.ru 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

kolex.ru

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