Tools & Wizards About Us
websudoku.de screenshot

Report Summary

  • 0

    Performance

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

websudoku.de

Web Sudoku - Milliarden Kostenlose Online-Sudokus

Page Load Speed

1.2 sec in total

First Response

217 ms

Resources Loaded

883 ms

Page Rendered

106 ms

websudoku.de screenshot

About Website

Click here to check amazing Web Sudoku content. Otherwise, check out these important facts you probably never knew about websudoku.de

Spielen Sie online Sudoku – von einfach bis höllisch. Web Sudoku bietet auch Sudokus für Zeitungen, Zeitschriften, Rätselhefte und Websites an.

Visit websudoku.de

Key Findings

We analyzed Websudoku.de page load time and found that the first response time was 217 ms and then it took 989 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

websudoku.de performance score

0

Network Requests Diagram

websudoku.de

217 ms

de2.websudoku.com

304 ms

style16.css

167 ms

index19.js

195 ms

show_ads.js

7 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 8% of them (1 request) were addressed to the original Websudoku.de, 31% (4 requests) were made to De2.websudoku.com and 31% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (304 ms) relates to the external source De2.websudoku.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 7.1 kB (29%)

Content Size

24.7 kB

After Optimization

17.5 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Websudoku.de main page is 24.7 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. Only 10% of websites need less resources to load. Javascripts take 20.4 kB which makes up the majority of the site volume.

HTML Optimization

-48%

Potential reduce by 518 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 567 B

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 518 B or 48% of the original size.

JavaScript Optimization

-21%

Potential reduce by 4.3 kB

  • Original 20.4 kB
  • After minification 18.8 kB
  • After compression 16.1 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 4.3 kB or 21% of the original size.

CSS Optimization

-73%

Potential reduce by 2.3 kB

  • Original 3.2 kB
  • After minification 2.9 kB
  • After compression 878 B

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. Websudoku.de needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (42%)

Requests Now

12

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Web Sudoku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

websudoku.de

websudoku.de

217 ms

de2.websudoku.com

de2.websudoku.com

304 ms

style16.css

style16.css

167 ms

index19.js

index19.js

195 ms

show_ads.js

show_ads.js

7 ms

transparent.gif

transparent.gif

135 ms

ca-pub-2358618403733853.js

ca-pub-2358618403733853.js

59 ms

zrt_lookup.html

zrt_lookup.html

57 ms

show_ads_impl.js

show_ads_impl.js

68 ms

logo-108x108.gif

logo-108x108.gif

203 ms

ads

ads

111 ms

osd.js

osd.js

5 ms

abg.js

abg.js

22 ms

Accessibility Review

websudoku.de accessibility score

68

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

<frame> or <iframe> elements do not have a title

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

Best Practices

websudoku.de 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

High

Missing source maps for large first-party JavaScript

SEO Factors

websudoku.de SEO score

100

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Websudoku.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 Websudoku.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

websudoku.de

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