Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

stadt-kassel.de

Startseite | Stadt Kassel

Page Load Speed

6.9 sec in total

First Response

2 sec

Resources Loaded

4.7 sec

Page Rendered

242 ms

stadt-kassel.de screenshot

About Website

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

Offizieller Internetauftritt der documenta-Stadt Kassel mit vielen Infos, Angeboten, Online Services, Highlights und großem Veranstaltungskalender.

Visit stadt-kassel.de

Key Findings

We analyzed Stadt-kassel.de page load time and found that the first response time was 2 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

stadt-kassel.de performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value13.8 s

0/100

25%

SI (Speed Index)

Value19.6 s

0/100

10%

TBT (Total Blocking Time)

Value15,490 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.641

9/100

15%

TTI (Time to Interactive)

Value23.4 s

1/100

10%

Network Requests Diagram

stadt-kassel.de

1960 ms

ns4.css

176 ms

kassel_start_2013.css

177 ms

layouter.js

191 ms

xal_core.js

195 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 69% of them (59 requests) were addressed to the original Stadt-kassel.de, 13% (11 requests) were made to F1.eu.readspeaker.com and 5% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Stadt-kassel.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (55%)

Content Size

1.8 MB

After Optimization

818.5 kB

In fact, the total size of Stadt-kassel.de main page is 1.8 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. 55% of websites need less resources to load. Javascripts take 854.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 29.6 kB

  • Original 37.9 kB
  • After minification 30.1 kB
  • After compression 8.3 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. This page needs HTML code to be minified as it can gain 7.8 kB, which is 21% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 29.6 kB or 78% of the original size.

Image Optimization

-10%

Potential reduce by 60.4 kB

  • Original 595.2 kB
  • After minification 534.8 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. Stadt Kassel images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 636.5 kB

  • Original 854.1 kB
  • After minification 712.3 kB
  • After compression 217.6 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 636.5 kB or 75% of the original size.

CSS Optimization

-83%

Potential reduce by 273.8 kB

  • Original 331.6 kB
  • After minification 313.3 kB
  • After compression 57.7 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. Stadt-kassel.de needs all CSS files to be minified and compressed as it can save up to 273.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (61%)

Requests Now

80

After Optimization

31

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stadt Kassel. 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 from 18 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

stadt-kassel.de accessibility score

100

Accessibility Issues

Best Practices

stadt-kassel.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

SEO Factors

stadt-kassel.de SEO score

98

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

High

Tap targets are not sized appropriately

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 Stadt-kassel.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 Stadt-kassel.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 Stadt Kassel. 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: