Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

presbeton.cz

Kvalitní betonové prvky pro města i pro domy | Presbeton

Page Load Speed

6.2 sec in total

First Response

973 ms

Resources Loaded

3.4 sec

Page Rendered

1.9 sec

presbeton.cz screenshot

About Website

Welcome to presbeton.cz homepage info - get ready to check Presbeton best content for Czech Republic right away, or after learning these important things about presbeton.cz

Široká nabídka betonových venkovních dlažeb, zdicí prvky, výrobky venkovní architektury, schodišťové prvky a systémová řešení. Do města, kolem domu, na zahradu.

Visit presbeton.cz

Key Findings

We analyzed Presbeton.cz page load time and found that the first response time was 973 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

presbeton.cz performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

presbeton.cz

973 ms

d5c86317.js

672 ms

js

139 ms

6ea643838bedaa1f.css

207 ms

polyfills-5cd94c89d3acac5f.js

406 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 82% of them (27 requests) were addressed to the original Presbeton.cz, 6% (2 requests) were made to Cookiehub.net and 6% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Presbeton.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 225.4 kB (76%)

Content Size

295.8 kB

After Optimization

70.4 kB

In fact, the total size of Presbeton.cz main page is 295.8 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. 70% of websites need less resources to load. HTML takes 269.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 225.4 kB

  • Original 269.1 kB
  • After minification 269.1 kB
  • After compression 43.8 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 225.4 kB or 84% of the original size.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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

-0%

Potential reduce by 15 B

  • Original 5.7 kB
  • After minification 5.7 kB
  • After compression 5.7 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. Presbeton.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (89%)

Requests Now

27

After Optimization

3

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Presbeton. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

presbeton.cz accessibility score

94

Accessibility Issues

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

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

presbeton.cz best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

presbeton.cz SEO score

97

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

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