Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

autoscout.cz

AutoScout24 - Evropský trh s ojetými a novými automobily

Page Load Speed

1.4 sec in total

First Response

28 ms

Resources Loaded

897 ms

Page Rendered

519 ms

About Website

Click here to check amazing Auto Scout content. Otherwise, check out these important facts you probably never knew about autoscout.cz

AutoScout24: Největší evropský trh s ojetými a novými automobily. Váš automobilový portál zaměřený na nákup a prodej automobilů včetně novinek a informací k autům.

Visit autoscout.cz

Key Findings

We analyzed Autoscout.cz page load time and found that the first response time was 28 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

autoscout.cz performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

58/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

autoscout.cz

28 ms

www.autoscout24.cz

493 ms

main.02b14f3aefdee8a3712f.min.css

308 ms

main.f0f7b802f7df7d0a9047.min.js

499 ms

showcar-ui.css

9 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Autoscout.cz, 85% (28 requests) were made to Autoscout24.cz and 12% (4 requests) were made to Prod.pictures.autoscout24.net. The less responsive or slowest element that took the longest time to load (499 ms) relates to the external source Autoscout24.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 356.5 kB (53%)

Content Size

679.0 kB

After Optimization

322.5 kB

In fact, the total size of Autoscout.cz main page is 679.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. HTML takes 444.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 335.6 kB

  • Original 444.6 kB
  • After minification 442.8 kB
  • After compression 108.9 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 335.6 kB or 75% of the original size.

Image Optimization

-10%

Potential reduce by 20.7 kB

  • Original 215.1 kB
  • After minification 194.4 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. Auto Scout images are well optimized though.

CSS Optimization

-1%

Potential reduce by 158 B

  • Original 19.3 kB
  • After minification 19.3 kB
  • After compression 19.1 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. Autoscout.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (55%)

Requests Now

31

After Optimization

14

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Auto Scout. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

autoscout.cz accessibility score

64

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-*] attributes do not match their roles

High

[role]s do not have all required [aria-*] attributes

High

[aria-*] attributes do not have valid values

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

autoscout.cz 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

Missing source maps for large first-party JavaScript

SEO Factors

autoscout.cz SEO score

92

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Autoscout.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Autoscout.cz 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 Auto Scout. 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: