Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

top4fitness.cz

Top4Fitness.cz

Page Load Speed

3.7 sec in total

First Response

601 ms

Resources Loaded

2.8 sec

Page Rendered

277 ms

top4fitness.cz screenshot

About Website

Visit top4fitness.cz now to see the best up-to-date Top4 Fitness content for Czech Republic and also check out these interesting facts you probably never knew about top4fitness.cz

Nabízíme vše pro fitness a trénink jako jsou boty, oblečení, posilovací balóny a další. Nike Pro, Nike hypercool, Nike Air classic.

Visit top4fitness.cz

Key Findings

We analyzed Top4fitness.cz page load time and found that the first response time was 601 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

top4fitness.cz performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

top4fitness.cz

601 ms

css

30 ms

styles.css

1131 ms

t4s-styles.css

814 ms

styles-5.css

839 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Top4fitness.cz, 31% (16 requests) were made to I3.t4s.cz and 16% (8 requests) were made to I1.t4s.cz. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source I3.t4s.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 635.9 kB (44%)

Content Size

1.5 MB

After Optimization

825.1 kB

In fact, the total size of Top4fitness.cz main page is 1.5 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. 50% of websites need less resources to load. Images take 590.6 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 112.4 kB

  • Original 126.3 kB
  • After minification 91.6 kB
  • After compression 13.9 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 34.7 kB, which is 28% 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 112.4 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 5.0 kB

  • Original 590.6 kB
  • After minification 585.6 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. Top4 Fitness images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 158.3 kB

  • Original 234.4 kB
  • After minification 193.8 kB
  • After compression 76.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 158.3 kB or 68% of the original size.

CSS Optimization

-71%

Potential reduce by 360.2 kB

  • Original 509.6 kB
  • After minification 441.5 kB
  • After compression 149.5 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. Top4fitness.cz needs all CSS files to be minified and compressed as it can save up to 360.2 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (36%)

Requests Now

42

After Optimization

27

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Top4 Fitness. 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.

Accessibility Review

top4fitness.cz accessibility score

98

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

Links do not have a discernible name

Best Practices

top4fitness.cz best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

top4fitness.cz SEO score

85

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 doesn't use 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 Top4fitness.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 Top4fitness.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 Top4 Fitness. 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: