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tennis04.com screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

tennis04.com

Buchen Sie Ihr Spiel - tennis04

Page Load Speed

4.6 sec in total

First Response

214 ms

Resources Loaded

3.6 sec

Page Rendered

807 ms

tennis04.com screenshot

About Website

Click here to check amazing Tennis 04 content for Panama. Otherwise, check out these important facts you probably never knew about tennis04.com

Wir sind der Komplettanbieter bei Digitalisierung/Automatisierung Ihrer Tennisanlage – von der Software bis zu den entsprechenden Geräten.

Visit tennis04.com

Key Findings

We analyzed Tennis04.com page load time and found that the first response time was 214 ms and then it took 4.4 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

tennis04.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

tennis04.com

214 ms

tennis04.com

733 ms

www.tennis04.com

1007 ms

style.css

212 ms

a1-desktop.min.css

323 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Tennis04.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Tennis04.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 214.7 kB (9%)

Content Size

2.5 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tennis04.com 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. 30% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 19.6 kB

  • Original 25.9 kB
  • After minification 25.9 kB
  • After compression 6.3 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 19.6 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 82.4 kB

  • Original 2.3 MB
  • After minification 2.2 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. Tennis 04 images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 75.8 kB

  • Original 113.7 kB
  • After minification 113.7 kB
  • After compression 37.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 75.8 kB or 67% of the original size.

CSS Optimization

-77%

Potential reduce by 36.9 kB

  • Original 48.1 kB
  • After minification 47.1 kB
  • After compression 11.2 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. Tennis04.com needs all CSS files to be minified and compressed as it can save up to 36.9 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (19%)

Requests Now

21

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tennis 04. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tennis04.com

tennis04.com

214 ms

tennis04.com

tennis04.com

733 ms

www.tennis04.com

www.tennis04.com

1007 ms

style.css

style.css

212 ms

a1-desktop.min.css

a1-desktop.min.css

323 ms

thumbup.svg

thumbup.svg

399 ms

euro-1.svg

euro-1.svg

411 ms

people.svg

people.svg

415 ms

partnerprogramm.svg

partnerprogramm.svg

420 ms

logo_tennis04.png

logo_tennis04.png

727 ms

schaltschrankoffen.png

schaltschrankoffen.png

1101 ms

jquery-1.12.1.min.js

jquery-1.12.1.min.js

585 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

403 ms

main.min.js

main.min.js

406 ms

Aboplaner.png

Aboplaner.png

692 ms

logo.svg

logo.svg

285 ms

logout.svg

logout.svg

292 ms

Roboto-Light.ttf

Roboto-Light.ttf

530 ms

Platz2slim.png

Platz2slim.png

493 ms

scribble_center.png

scribble_center.png

479 ms

scribbleright.png

scribbleright.png

658 ms

Ballschlaeger_small.jpg

Ballschlaeger_small.jpg

276 ms

a2-netbook.min.css

a2-netbook.min.css

109 ms

a3-tablet.min.css

a3-tablet.min.css

107 ms

a4-smartphone.min.css

a4-smartphone.min.css

110 ms

Accessibility Review

tennis04.com accessibility score

81

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.

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

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

tennis04.com best practices score

75

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

SEO Factors

tennis04.com SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tennis04.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Tennis04.com 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

tennis04.com

Open Graph data is detected on the main page of Tennis 04. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: