Tools & Wizards About Us
mathias-kettner.de screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

mathias-kettner.de

Der Mann mit der Maschine

Page Load Speed

3.3 sec in total

First Response

325 ms

Resources Loaded

2.4 sec

Page Rendered

656 ms

mathias-kettner.de screenshot

About Website

Visit mathias-kettner.de now to see the best up-to-date Mathias Kettner content for Germany and also check out these interesting facts you probably never knew about mathias-kettner.de

Visit mathias-kettner.de

Key Findings

We analyzed Mathias-kettner.de page load time and found that the first response time was 325 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

mathias-kettner.de performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.07

96/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

mathias-kettner.de

325 ms

main.css

302 ms

youtube.css

207 ms

jquery.min.js

16 ms

youtube.js

207 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 97% of them (35 requests) were addressed to the original Mathias-kettner.de, 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Mathias-kettner.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.6 kB (2%)

Content Size

4.2 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mathias-kettner.de main page is 4.2 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. 45% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 11.2 kB

  • Original 13.5 kB
  • After minification 9.8 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. This page needs HTML code to be minified as it can gain 3.7 kB, which is 27% 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 11.2 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 26.9 kB

  • Original 4.1 MB
  • After minification 4.0 MB

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. Mathias Kettner images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 27.0 kB

  • Original 73.8 kB
  • After minification 72.9 kB
  • After compression 46.8 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 27.0 kB or 37% of the original size.

CSS Optimization

-82%

Potential reduce by 26.5 kB

  • Original 32.2 kB
  • After minification 22.5 kB
  • After compression 5.8 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. Mathias-kettner.de needs all CSS files to be minified and compressed as it can save up to 26.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (21%)

Requests Now

34

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mathias Kettner. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

mathias-kettner.de

mathias-kettner.de

325 ms

main.css

main.css

302 ms

youtube.css

youtube.css

207 ms

jquery.min.js

jquery.min.js

16 ms

youtube.js

youtube.js

207 ms

photoswipe.css

photoswipe.css

212 ms

default-skin.css

default-skin.css

215 ms

photoswipe.min.js

photoswipe.min.js

425 ms

photoswipe-ui-default.min.js

photoswipe-ui-default.min.js

313 ms

dmmdm.js

dmmdm.js

314 ms

patternsmall.jpg

patternsmall.jpg

747 ms

Youtube.png

Youtube.png

106 ms

Instagram.png

Instagram.png

107 ms

Discord.png

Discord.png

102 ms

Soundcloud.png

Soundcloud.png

109 ms

BookingGrafik.png

BookingGrafik.png

105 ms

Headline.png

Headline.png

203 ms

HeadlineSmall.png

HeadlineSmall.png

209 ms

HeadBild.jpg

HeadBild.jpg

615 ms

Logo.png

Logo.png

316 ms

Wellensturktur.png

Wellensturktur.png

215 ms

BildMusic.jpg

BildMusic.jpg

702 ms

Wellenstructur02.png

Wellenstructur02.png

312 ms

video_rovBxDhlzA0.jpg

video_rovBxDhlzA0.jpg

1065 ms

YouTubeIcon.png

YouTubeIcon.png

419 ms

video_9quY_hSOJs8.jpg

video_9quY_hSOJs8.jpg

1257 ms

video_Mv53ZG1xgFk.jpg

video_Mv53ZG1xgFk.jpg

1132 ms

foto_01_thumb.jpg

foto_01_thumb.jpg

1227 ms

FotoIcon.png

FotoIcon.png

731 ms

foto_02_thumb.jpg

foto_02_thumb.jpg

1002 ms

foto_03_thumb.jpg

foto_03_thumb.jpg

1265 ms

AboutHero.png

AboutHero.png

1701 ms

AboutHeroTablet.png

AboutHeroTablet.png

1279 ms

Portrait.png

Portrait.png

1235 ms

LogoAbout.png

LogoAbout.png

1331 ms

NeuzeitSLT-Book.woff

NeuzeitSLT-Book.woff

1326 ms

Accessibility Review

mathias-kettner.de accessibility score

85

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

Image elements do not have [alt] attributes

Best Practices

mathias-kettner.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

mathias-kettner.de SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mathias-kettner.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Mathias-kettner.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

mathias-kettner.de

Open Graph description is not detected on the main page of Mathias Kettner. 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: