Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

wikis.zum.de

Wikis auf ZUM.de | Zentrale für Unterrichtsmedien im Internet e.V. (ZUM.de)

Page Load Speed

7.8 sec in total

First Response

285 ms

Resources Loaded

7.3 sec

Page Rendered

288 ms

wikis.zum.de screenshot

About Website

Welcome to wikis.zum.de homepage info - get ready to check Wikis ZUM best content for Germany right away, or after learning these important things about wikis.zum.de

Visit wikis.zum.de

Key Findings

We analyzed Wikis.zum.de page load time and found that the first response time was 285 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

wikis.zum.de performance score

0

Network Requests Diagram

wikis.zum.de

285 ms

Hauptseite

3567 ms

load.php

313 ms

load.php

212 ms

load.php

524 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 86% of them (102 requests) were addressed to the original Wikis.zum.de, 5% (6 requests) were made to Pagead2.googlesyndication.com and 3% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Wikis.zum.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 318.6 kB (47%)

Content Size

682.5 kB

After Optimization

363.8 kB

In fact, the total size of Wikis.zum.de main page is 682.5 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. Images take 285.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 125.6 kB

  • Original 172.8 kB
  • After minification 169.1 kB
  • After compression 47.1 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 125.6 kB or 73% of the original size.

Image Optimization

-11%

Potential reduce by 30.3 kB

  • Original 285.4 kB
  • After minification 255.1 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, Wikis ZUM needs image optimization as it can save up to 30.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 161.5 kB

  • Original 222.8 kB
  • After minification 131.7 kB
  • After compression 61.3 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 161.5 kB or 72% of the original size.

CSS Optimization

-86%

Potential reduce by 1.2 kB

  • Original 1.4 kB
  • After minification 354 B
  • After compression 203 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. Wikis.zum.de needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (31%)

Requests Now

117

After Optimization

81

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wikis ZUM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

wikis.zum.de SEO score

0

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 Wikis.zum.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 Wikis.zum.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 Wikis ZUM. 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: