Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

tenis.shopy.cz

Tenis a levné tenisové vybavení, rakety - Internetové obchody a E-shopy

Page Load Speed

21.6 sec in total

First Response

294 ms

Resources Loaded

20.9 sec

Page Rendered

421 ms

tenis.shopy.cz screenshot

About Website

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

Nejlepší internetové obchody a e-shopy s širokou nabídkou tenisového vybavení a doplňků pro tenis. Nejnovější modely tenisových raket, míčů, bot a dalšího příslušenství pro vylepšení vaší hry

Visit tenis.shopy.cz

Key Findings

We analyzed Tenis.shopy.cz page load time and found that the first response time was 294 ms and then it took 21.3 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

tenis.shopy.cz performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

tenis.shopy.cz

294 ms

406 ms

js

65 ms

adsbygoogle.js

141 ms

jquery.min.js

41 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Tenis.shopy.cz, 31% (15 requests) were made to Shopy.cz and 14% (7 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.4 kB (12%)

Content Size

582.4 kB

After Optimization

511.0 kB

In fact, the total size of Tenis.shopy.cz main page is 582.4 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. 50% of websites need less resources to load. Javascripts take 528.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 32.3 kB

  • Original 42.6 kB
  • After minification 39.7 kB
  • After compression 10.3 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. 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 32.3 kB or 76% of the original size.

Image Optimization

-19%

Potential reduce by 139 B

  • Original 735 B
  • After minification 596 B

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. Obviously, Tenis Shopy needs image optimization as it can save up to 139 B or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 34.1 kB

  • Original 528.2 kB
  • After minification 528.2 kB
  • After compression 494.1 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

-45%

Potential reduce by 4.9 kB

  • Original 10.9 kB
  • After minification 10.9 kB
  • After compression 6.0 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. Tenis.shopy.cz needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 45% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (58%)

Requests Now

40

After Optimization

17

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tenis Shopy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tenis.shopy.cz accessibility score

86

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

tenis.shopy.cz best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

tenis.shopy.cz SEO score

91

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 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 Tenis.shopy.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 Tenis.shopy.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 Tenis Shopy. 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: