Tools & Wizards About Us

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

tennischampion.cz

Tennischampion.cz - tenisový portál o ATP a WTA Tour

Page Load Speed

21.4 sec in total

First Response

542 ms

Resources Loaded

20.5 sec

Page Rendered

358 ms

About Website

Welcome to tennischampion.cz homepage info - get ready to check Tennischampion best content right away, or after learning these important things about tennischampion.cz

Tenisový portál. Berdych Štěpánek Veselý Karolína Plíšková Šafářová Kvitová Siniaková Strýcová Hlaváčková

Visit tennischampion.cz

Key Findings

We analyzed Tennischampion.cz page load time and found that the first response time was 542 ms and then it took 20.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

tennischampion.cz performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.108

87/100

15%

TTI (Time to Interactive)

Value9.4 s

30/100

10%

Network Requests Diagram

tennischampion.cz

542 ms

font-awesome.min.css

41 ms

ionicons.min.css

32 ms

css

40 ms

css

56 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 40% of them (23 requests) were addressed to the original Tennischampion.cz, 18% (10 requests) were made to Fonts.gstatic.com and 11% (6 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.6 kB (6%)

Content Size

2.5 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tennischampion.cz main page is 2.5 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 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 38.5 kB

  • Original 49.9 kB
  • After minification 46.0 kB
  • After compression 11.4 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 38.5 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 106.3 kB

  • Original 2.1 MB
  • After minification 2.0 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. Tennischampion images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 5.7 kB

  • Original 297.8 kB
  • After minification 297.8 kB
  • After compression 292.1 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 27 B

  • Original 46.8 kB
  • After minification 46.8 kB
  • After compression 46.8 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. Tennischampion.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (50%)

Requests Now

42

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tennischampion. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tennischampion.cz accessibility score

95

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a valid value for its [lang] attribute.

Best Practices

tennischampion.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tennischampion.cz SEO score

98

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

    CZ

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tennischampion.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed language. Our system also found out that Tennischampion.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 Tennischampion. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: