Access auto.cz. Auto.cz - nejlepší jízda na webu: recenze, videa, testy

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value18.6 s

0/100

10%

TBT (Total Blocking Time)

Value10,340 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value37.0 s

0/100

10%

www.auto.cz

1156 ms

cnc-cmp-subscription.js

444 ms

cnc-slot-sizes.min.css

150 ms

gpt.js

112 ms

22918_auto.js

149 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Auto.cz, 33% (41 requests) were made to 1884403144.rsc.cdn77.org and 27% (33 requests) were made to Img2.cncenter.cz. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source 1884403144.rsc.cdn77.org.

Content Size

1.9 MB

After Optimization

1.5 MB

In fact, the total size of Auto.cz main page is 1.9 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. 70% of websites need less resources to load. Images take 709.3 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 363.2 kB

Original 416.5 kB
After minification 364.3 kB
After compression 53.3 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 52.2 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 363.2 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 22.4 kB

Original 709.3 kB
After minification 686.9 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 images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 48.9 kB

Original 667.2 kB
After minification 667.2 kB
After compression 618.3 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

-10%

Potential reduce by 11.7 kB

Original 120.4 kB
After minification 120.4 kB
After compression 108.8 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. Auto.cz has all CSS files already compressed.

Requests Now

121

After Optimization

The browser has sent 121 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Auto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[role] values are not valid

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

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

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 Auto.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 Auto.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

auto.cz

Open Graph data is detected on the main page of Auto. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Auto.cz - nejlepší jízda na webu: recenze, videa, testy

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.auto.cz

cnc-cmp-subscription.js

cnc-slot-sizes.min.css

gpt.js

22918_auto.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.auto.cz

cnc-cmp-subscription.js

cnc-slot-sizes.min.css

gpt.js

22918_auto.js

cnc-wrapper.min.js

pub-2188238395634816

kPI63TXIaE4c

jquery-3.3.1.min.js

login.min.js

login.min.css

autocz.plugins.homepage-53fb9541dd.min.js

autocz.main.homepage-58fbfa5017.min.js

api.js

gplayer.js

vpplayer.js

cnc-video-player-gjvp-dash.js

dsaReportForm.js

css2

autocz.main.860e85792b6d7a7107b4.css

autocz.plugins.0bc5c74c0e39c62acc5e.css

pubads_impl.js

footer-global.2763222d8ccd7cf2d2a4.css

tracker.js

gtmService-3.0.5.js

autocz.bundle-desktop.672b38af32df44432dc6.js

recaptcha__en.js

gemiuslib.js

fpdata.js

xgemius.js

button-auta-na-prodej.svg

9028240.jpg

getthumbnail.aspx

getthumbnail.aspx

661d0609070a9.jpg

2000631.jpg

1870640.jpg

2000619.jpg

2000689.jpg

1870707.jpg

1990566.jpg

1870591.jpg

1951507.jpg