Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

sportcenter-wittenau.de

Sportcenter Wittenau - Sportcenter Wittenau

Page Load Speed

5.1 sec in total

First Response

1.4 sec

Resources Loaded

3.3 sec

Page Rendered

322 ms

sportcenter-wittenau.de screenshot

About Website

Visit sportcenter-wittenau.de now to see the best up-to-date Sportcenter Wittenau content and also check out these interesting facts you probably never knew about sportcenter-wittenau.de

Das Sportcenter Wittenau in Berlin bietet Ihnen die Möglichkeit Sportarten wie Tennis, Badminton, Squash und Tischtennis 7 Tage die Woche zu spielen.

Visit sportcenter-wittenau.de

Key Findings

We analyzed Sportcenter-wittenau.de page load time and found that the first response time was 1.4 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sportcenter-wittenau.de performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

sportcenter-wittenau.de

1381 ms

style.css

206 ms

PerspectiveSans.font.js

394 ms

ml-responsive-table.css

210 ms

jquery.fancybox-1.3.4.css

215 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that all of those requests were addressed to Sportcenter-wittenau.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Sportcenter-wittenau.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 775.4 kB (41%)

Content Size

1.9 MB

After Optimization

1.1 MB

In fact, the total size of Sportcenter-wittenau.de main page is 1.9 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 897.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 33.3 kB

  • Original 42.4 kB
  • After minification 40.4 kB
  • After compression 9.1 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 33.3 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 32.5 kB

  • Original 897.3 kB
  • After minification 864.8 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. Sportcenter Wittenau images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 535.9 kB

  • Original 730.5 kB
  • After minification 639.2 kB
  • After compression 194.6 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 535.9 kB or 73% of the original size.

CSS Optimization

-74%

Potential reduce by 173.8 kB

  • Original 235.5 kB
  • After minification 189.3 kB
  • After compression 61.8 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. Sportcenter-wittenau.de needs all CSS files to be minified and compressed as it can save up to 173.8 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (62%)

Requests Now

85

After Optimization

32

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sportcenter Wittenau. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sportcenter-wittenau.de accessibility score

93

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

sportcenter-wittenau.de 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

sportcenter-wittenau.de SEO score

93

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

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 Sportcenter-wittenau.de 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 Sportcenter-wittenau.de 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 Sportcenter Wittenau. 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: