Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

witthoeft.de

TENNIS PARK Witthöft

Page Load Speed

2.7 sec in total

First Response

500 ms

Resources Loaded

2 sec

Page Rendered

181 ms

witthoeft.de screenshot

About Website

Visit witthoeft.de now to see the best up-to-date Witthoeft content for Germany and also check out these interesting facts you probably never knew about witthoeft.de

Von Kursen für alle, Kennenlernturnieren, Frühstückstennis bis hin zur Spezialvermittlung und Tennis spielen ohne Aufnahmegebühr, die Tennisschule Witthöft schreibt den Service ganz groß.

Visit witthoeft.de

Key Findings

We analyzed Witthoeft.de page load time and found that the first response time was 500 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

witthoeft.de performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.399

25/100

15%

TTI (Time to Interactive)

Value3.6 s

92/100

10%

Network Requests Diagram

witthoeft.de

500 ms

system.css

93 ms

menu.css

184 ms

system.js

184 ms

menu.js

186 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that all of those requests were addressed to Witthoeft.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Witthoeft.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 397.8 kB (29%)

Content Size

1.4 MB

After Optimization

972.1 kB

In fact, the total size of Witthoeft.de main page is 1.4 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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 17.8 kB

  • Original 23.4 kB
  • After minification 21.8 kB
  • After compression 5.6 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 17.8 kB or 76% of the original size.

Image Optimization

-21%

Potential reduce by 237.3 kB

  • Original 1.1 MB
  • After minification 910.7 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. Obviously, Witthoeft needs image optimization as it can save up to 237.3 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 126.7 kB

  • Original 178.0 kB
  • After minification 150.1 kB
  • After compression 51.2 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 126.7 kB or 71% of the original size.

CSS Optimization

-78%

Potential reduce by 16.0 kB

  • Original 20.6 kB
  • After minification 16.4 kB
  • After compression 4.6 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. Witthoeft.de needs all CSS files to be minified and compressed as it can save up to 16.0 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (56%)

Requests Now

34

After Optimization

15

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Witthoeft. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

witthoeft.de accessibility score

47

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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 [lang] attribute

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

Image elements do not have [alt] attributes

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

witthoeft.de best practices score

83

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

witthoeft.de SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    DE

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Witthoeft.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Witthoeft.de main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Witthoeft. 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: