Tools & Wizards About Us

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

prerost-svorc.cz

Autosalon a autoservis - Přerost a Švorc auto

Page Load Speed

3.8 sec in total

First Response

428 ms

Resources Loaded

3.1 sec

Page Rendered

206 ms

About Website

Visit prerost-svorc.cz now to see the best up-to-date Prerost Svorc content for Czech Republic and also check out these interesting facts you probably never knew about prerost-svorc.cz

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Visit prerost-svorc.cz

Key Findings

We analyzed Prerost-svorc.cz page load time and found that the first response time was 428 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

prerost-svorc.cz performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.43

22/100

15%

TTI (Time to Interactive)

Value6.4 s

60/100

10%

Network Requests Diagram

prerost-svorc.cz

428 ms

prerost-svorc.cz

458 ms

www.prerost-svorc.cz

629 ms

jquery.dataTables.min.css

41 ms

styles.min.css

117 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 62% of them (26 requests) were addressed to the original Prerost-svorc.cz, 19% (8 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Cdn.datatables.net. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Prerost-svorc.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.0 kB (1%)

Content Size

3.7 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prerost-svorc.cz main page is 3.7 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. 45% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 28.8 kB

  • Original 37.1 kB
  • After minification 32.4 kB
  • After compression 8.3 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 4.6 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 28.8 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 14.4 kB

  • Original 3.5 MB
  • After minification 3.5 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. Prerost Svorc images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 712 B

  • Original 161.1 kB
  • After minification 161.1 kB
  • After compression 160.4 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

-16%

Potential reduce by 6.0 kB

  • Original 37.5 kB
  • After minification 37.5 kB
  • After compression 31.5 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. Prerost-svorc.cz needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (52%)

Requests Now

31

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prerost Svorc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

prerost-svorc.cz accessibility score

74

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

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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.

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

Links do not have a discernible name

Best Practices

prerost-svorc.cz best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

prerost-svorc.cz SEO score

100

Search Engine Optimization Advices

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

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prerost-svorc.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 Prerost-svorc.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 Prerost Svorc. 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: