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

kolosa.kz screenshot

13

Performance

Renders faster than
25% of other websites
66

Accessibility

Visual factors better than
that of 31% of websites
92

Best Practices

More advanced features
available than in
80% of websites
93

SEO

Google-friendlier than
83% of websites

First Response

826 ms

Resources Loaded

7.9 sec

Page Rendered

1.8 sec

kolosa.kz screenshot

About Website

Click here to check amazing Kolosa content. Otherwise, check out these important facts you probably never knew about kolosa.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 kolosa.kz

Key Findings

We analyzed Kolosa.kz page load time and found that the first response time was 826 ms and then it took 9.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value17.5 s

0/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value2,230 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.219

57/100

15%

TTI (Time to Interactive)

Value20.3 s

2/100

10%

kolosa.kz

826 ms

kolesa.kz

1025 ms

main-vendor.css

441 ms

main.css

715 ms

client.min.js

689 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Kolosa.kz, 37% (56 requests) were made to Photos-a-kl.kcdn.kz and 18% (28 requests) were made to Photos-b-kl.kcdn.kz. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source Static-kl.kcdn.kz.

Content Size

2.9 MB

After Optimization

2.0 MB

In fact, the total size of Kolosa.kz main page is 2.9 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. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 354.9 kB

Original 422.5 kB
After minification 367.9 kB
After compression 67.6 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 54.6 kB, which is 13% 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 354.9 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 57.1 kB

Original 1.6 MB
After minification 1.6 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. Kolosa images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 380.3 kB

Original 723.1 kB
After minification 723.0 kB
After compression 342.8 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 380.3 kB or 53% of the original size.

CSS Optimization

-83%

Potential reduce by 123.2 kB

Original 148.4 kB
After minification 148.3 kB
After compression 25.1 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. Kolosa.kz needs all CSS files to be minified and compressed as it can save up to 123.2 kB or 83% of the original size.

Requests Now

145

After Optimization

112

The browser has sent 145 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kolosa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

RU
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kolosa.kz can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Kolosa.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

kolosa.kz

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