Tools & Wizards About Us
mathematik.ch screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

mathematik.ch

Mathematik am Gymnasium bzw. an der Kantonsschule

Page Load Speed

1.2 sec in total

First Response

185 ms

Resources Loaded

880 ms

Page Rendered

132 ms

mathematik.ch screenshot

About Website

Welcome to mathematik.ch homepage info - get ready to check Mathematik best content for Germany right away, or after learning these important things about mathematik.ch

Mathematik am Gymnasium bzw. an der Kantonsschule, Bernhard Berchtold, eh. Lehrer für Mathematik und Anwendungen der Mathematik, Schweiz

Visit mathematik.ch

Key Findings

We analyzed Mathematik.ch page load time and found that the first response time was 185 ms and then it took 1 sec 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

mathematik.ch performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.287

42/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

mathematik.ch

185 ms

www.mathematik.ch

231 ms

zitate.js

175 ms

mathematik.css

52 ms

analytics.js

46 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 86% of them (12 requests) were addressed to the original Mathematik.ch, 14% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (238 ms) belongs to the original domain Mathematik.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.0 kB (9%)

Content Size

53.4 kB

After Optimization

48.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mathematik.ch main page is 53.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 24.7 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 3.8 kB

  • Original 5.9 kB
  • After minification 5.9 kB
  • After compression 2.1 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 3.8 kB or 65% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 24.7 kB
  • After minification 24.7 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. Mathematik images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-63%

Potential reduce by 1.2 kB

  • Original 1.9 kB
  • After minification 1.9 kB
  • After compression 693 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. Mathematik.ch needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 63% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mathematik. According to our analytics all requests are already optimized.

Network Requests Diagram

mathematik.ch

mathematik.ch

185 ms

www.mathematik.ch

www.mathematik.ch

231 ms

zitate.js

zitate.js

175 ms

mathematik.css

mathematik.css

52 ms

analytics.js

analytics.js

46 ms

menuicon.png

menuicon.png

39 ms

mathematik.png

mathematik.png

38 ms

farn.png

farn.png

238 ms

approx.jpg

approx.jpg

215 ms

sudoku.png

sudoku.png

232 ms

mandelbrot.png

mandelbrot.png

228 ms

phasendiagramm.jpg

phasendiagramm.jpg

234 ms

puzzle3.png

puzzle3.png

237 ms

collect

collect

25 ms

Accessibility Review

mathematik.ch accessibility score

75

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

High

Links do not have a discernible name

Best Practices

mathematik.ch 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

mathematik.ch SEO score

92

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

    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 Mathematik.ch 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 Mathematik.ch 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

mathematik.ch

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