Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

cs4f.de

HAW-Hamburg: Computer Science for Future

Page Load Speed

2.3 sec in total

First Response

547 ms

Resources Loaded

1.4 sec

Page Rendered

354 ms

cs4f.de screenshot

About Website

Welcome to cs4f.de homepage info - get ready to check Cs 4 F best content right away, or after learning these important things about cs4f.de

Visit cs4f.de

Key Findings

We analyzed Cs4f.de page load time and found that the first response time was 547 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

cs4f.de performance score

0

Network Requests Diagram

cs4f.de

547 ms

layout.css

162 ms

style.css

211 ms

clansphere.css

214 ms

clansphere.js

345 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 96% of them (25 requests) were addressed to the original Cs4f.de, 4% (1 request) were made to Xup.in. The less responsive or slowest element that took the longest time to load (547 ms) belongs to the original domain Cs4f.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.1 kB (30%)

Content Size

221.6 kB

After Optimization

155.4 kB

In fact, the total size of Cs4f.de main page is 221.6 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. 20% of websites need less resources to load. Images take 178.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 14.5 kB

  • Original 16.8 kB
  • After minification 15.9 kB
  • After compression 2.3 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 14.5 kB or 86% of the original size.

Image Optimization

-18%

Potential reduce by 31.4 kB

  • Original 178.6 kB
  • After minification 147.2 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, Cs 4 F needs image optimization as it can save up to 31.4 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-78%

Potential reduce by 16.7 kB

  • Original 21.4 kB
  • After minification 17.0 kB
  • After compression 4.7 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 16.7 kB or 78% of the original size.

CSS Optimization

-75%

Potential reduce by 3.5 kB

  • Original 4.7 kB
  • After minification 3.8 kB
  • After compression 1.2 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. Cs4f.de needs all CSS files to be minified and compressed as it can save up to 3.5 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

24

After Optimization

24

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cs 4 F. According to our analytics all requests are already optimized.

SEO Factors

cs4f.de SEO score

0

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cs4f.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 Cs4f.de main page’s claimed encoding is . 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 Cs 4 F. 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: