Tools & Wizards About Us

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

katalog-autodilu.cz

Autok?eft - N?hradn? d?ly, autod?ly, Pneu, ALU kola, E-cat.cz

Page Load Speed

5.8 sec in total

First Response

492 ms

Resources Loaded

4.9 sec

Page Rendered

485 ms

About Website

Welcome to katalog-autodilu.cz homepage info - get ready to check Katalog Autod Ilu best content right away, or after learning these important things about katalog-autodilu.cz

Dod?v?me nej?ir?? sortiment autod?l?, n?hradn?ch d?l?, pneumatik, plechov?ch a hlin?kov?ch kol. V e-shopu nab?z?me pouze nov? autod?ly a n?hradn? d?ly, ALU kola a pneumatiky.

Visit katalog-autodilu.cz

Key Findings

We analyzed Katalog-autodilu.cz page load time and found that the first response time was 492 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

katalog-autodilu.cz performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.116

85/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

katalog-autodilu.cz

492 ms

www.autokseft.cz

496 ms

www.autokseft.cz

848 ms

jquery-ui.min.css

101 ms

font-awesome.min.css

202 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Katalog-autodilu.cz, 94% (99 requests) were made to Autokseft.cz and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Autokseft.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 163.0 kB (22%)

Content Size

724.4 kB

After Optimization

561.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Katalog-autodilu.cz main page is 724.4 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. 55% of websites need less resources to load. Images take 350.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 121.0 kB

  • Original 142.7 kB
  • After minification 138.8 kB
  • After compression 21.7 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 121.0 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 33.5 kB

  • Original 350.2 kB
  • After minification 316.7 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. Katalog Autod Ilu images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 8.2 kB

  • Original 171.9 kB
  • After minification 171.5 kB
  • After compression 163.7 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

-1%

Potential reduce by 322 B

  • Original 59.7 kB
  • After minification 59.7 kB
  • After compression 59.4 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. Katalog-autodilu.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (16%)

Requests Now

93

After Optimization

78

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katalog Autod Ilu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

katalog-autodilu.cz accessibility score

89

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

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

katalog-autodilu.cz best practices score

75

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

Page has valid source maps

SEO Factors

katalog-autodilu.cz SEO score

88

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

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

    N/A

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Katalog-autodilu.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Katalog-autodilu.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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