Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

art-sport.cz

Extrémní sporty zvednou hladinu adrenalinu | EXPRESSINFO.cz

Page Load Speed

2.8 sec in total

First Response

269 ms

Resources Loaded

2.1 sec

Page Rendered

382 ms

art-sport.cz screenshot

About Website

Visit art-sport.cz now to see the best up-to-date Art Sport content and also check out these interesting facts you probably never knew about art-sport.cz

Co jsou extrémní sporty a jaké mainstreamové i okrajové sporty mezi ně patří a které se třeba objevují i na olympijskách hrách?

Visit art-sport.cz

Key Findings

We analyzed Art-sport.cz page load time and found that the first response time was 269 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

art-sport.cz performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.521

15/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

art-sport.cz

269 ms

104 ms

adsbygoogle.js

237 ms

jquery.min.js

41 ms

jquery-migrate.min.js

67 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Art-sport.cz, 51% (37 requests) were made to Expressinfo.cz and 14% (10 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (578 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 156.3 kB (22%)

Content Size

705.0 kB

After Optimization

548.7 kB

In fact, the total size of Art-sport.cz main page is 705.0 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. 60% of websites need less resources to load. Images take 341.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 133.7 kB

  • Original 169.5 kB
  • After minification 169.4 kB
  • After compression 35.7 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 133.7 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 718 B

  • Original 341.0 kB
  • After minification 340.3 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. Art Sport images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 21.8 kB

  • Original 194.5 kB
  • After minification 194.5 kB
  • After compression 172.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 21.8 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (34%)

Requests Now

67

After Optimization

44

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Art Sport. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

art-sport.cz accessibility score

100

Accessibility Issues

Best Practices

art-sport.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

art-sport.cz SEO score

99

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

    N/A

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Art-sport.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 Art-sport.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 Art Sport. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: