Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

mathematik.net

mathematik.net - Kostenlose Onlinekurse (Algebra,Analysis,Trigonometrie,Lineare Algebra, Schulbücher)

Page Load Speed

1.1 sec in total

First Response

214 ms

Resources Loaded

746 ms

Page Rendered

96 ms

mathematik.net screenshot

About Website

Click here to check amazing Mathematik content for Germany. Otherwise, check out these important facts you probably never knew about mathematik.net

mathematik.net - Kostenlose Onlinekurse (Algebra,Analysis,Trigonometrie,Lineare Algebra,Analytische Geometrie, ...)

Visit mathematik.net

Key Findings

We analyzed Mathematik.net page load time and found that the first response time was 214 ms and then it took 842 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

mathematik.net performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

mathematik.net

214 ms

518 ms

minimalist.css

15 ms

minimalist.css

53 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 25% of them (1 request) were addressed to the original Mathematik.net, 25% (1 request) were made to Free-education-resources.com and 25% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (518 ms) relates to the external source Free-education-resources.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.1 kB (85%)

Content Size

28.4 kB

After Optimization

4.3 kB

In fact, the total size of Mathematik.net main page is 28.4 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. HTML takes 17.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 15.0 kB

  • Original 17.4 kB
  • After minification 17.4 kB
  • After compression 2.5 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 15.0 kB or 86% of the original size.

CSS Optimization

-83%

Potential reduce by 9.1 kB

  • Original 11.0 kB
  • After minification 8.5 kB
  • After compression 1.9 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. Mathematik.net needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 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.

Accessibility Review

mathematik.net accessibility score

84

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

mathematik.net best practices score

75

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

Displays images with incorrect aspect ratio

SEO Factors

mathematik.net SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mathematik.net 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 Mathematik.net main page’s claimed encoding is windows-1252. 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 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: