Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

kolesa.kz

Колёса — продажа авто в Казахстане. Весь авторынок Казахстана на одном сайте kolesa.kz

Page Load Speed

7.2 sec in total

First Response

549 ms

Resources Loaded

6.2 sec

Page Rendered

411 ms

About Website

Welcome to kolesa.kz homepage info - get ready to check Kolesa best content for Kazakhstan right away, or after learning these important things about kolesa.kz

Колёса - все объявления о продаже авто в Казахстане на одном сайте: легковые, грузовые автомобили, мототехника и спецтехника, запчасти. Последние автоновости, тест-драйвы, полезные советы.

Visit kolesa.kz

Key Findings

We analyzed Kolesa.kz page load time and found that the first response time was 549 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

kolesa.kz performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value18.4 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value4,480 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.218

57/100

15%

TTI (Time to Interactive)

Value21.5 s

1/100

10%

Network Requests Diagram

kolesa.kz

549 ms

kolesa.kz

1003 ms

main-payment.5a74d0642f.css

351 ms

main-common.a2cb7e20d3.css

732 ms

main-index.99a6a4fea0.css

551 ms

Our browser made a total of 140 requests to load all elements on the main page. We found that 24% of them (33 requests) were addressed to the original Kolesa.kz, 54% (76 requests) were made to Kolesa-photos.kcdn.online and 3% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Kolesa-photos.kcdn.online.

Page Optimization Overview & Recommendations

Page size can be reduced by 293.2 kB (17%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kolesa.kz main page is 1.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 927.6 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 213.0 kB

  • Original 239.3 kB
  • After minification 174.9 kB
  • After compression 26.2 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. This page needs HTML code to be minified as it can gain 64.4 kB, which is 27% 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 213.0 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 5.8 kB

  • Original 471.2 kB
  • After minification 465.4 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. Kolesa images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 74.3 kB

  • Original 927.6 kB
  • After minification 927.6 kB
  • After compression 853.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 45 B

  • Original 65.2 kB
  • After minification 65.2 kB
  • After compression 65.2 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. Kolesa.kz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 34 (26%)

Requests Now

131

After Optimization

97

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kolesa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

kolesa.kz accessibility score

69

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

High

Image elements do not have [alt] attributes

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

kolesa.kz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

kolesa.kz SEO score

93

Search Engine Optimization Advices

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

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 Kolesa.kz 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 Kolesa.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 Kolesa. 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: