Tools & Wizards About Us
mathematikphysik.de screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

mathematikphysik.de

Mathematik Physik: Freeware - Tutorials - Arbeitsblätter

Page Load Speed

1.3 sec in total

First Response

351 ms

Resources Loaded

808 ms

Page Rendered

93 ms

mathematikphysik.de screenshot

About Website

Visit mathematikphysik.de now to see the best up-to-date Mathematik Physik content and also check out these interesting facts you probably never knew about mathematikphysik.de

Arbeitsblätter für den Physik - und Mathematik - Unterricht der Klassen 5-13. Tutorials für den Computereinsatz: Illustrationen, Daten veranschaulichen, Gebrauch von Schriften u.v.m. Freeware Tipps fü...

Visit mathematikphysik.de

Key Findings

We analyzed Mathematikphysik.de page load time and found that the first response time was 351 ms and then it took 901 ms 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

mathematikphysik.de performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value0.7 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)

Value0.7 s

100/100

10%

Network Requests Diagram

mathematikphysik.de

351 ms

logo_grau.gif

112 ms

einsteinrad.gif

204 ms

by-nc-sa_small.png

218 ms

logo.gif

111 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Mathematikphysik.de and no external sources were called. The less responsive or slowest element that took the longest time to load (351 ms) belongs to the original domain Mathematikphysik.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 11.9 kB (51%)

Content Size

23.4 kB

After Optimization

11.5 kB

  • HTML
  • Images

In fact, the total size of Mathematikphysik.de main page is 23.4 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. Only 5% of websites need less resources to load. HTML takes 15.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 11.9 kB

  • Original 15.2 kB
  • After minification 13.3 kB
  • After compression 3.3 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 2.0 kB, which is 13% 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 11.9 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 8.2 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.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • AJAX
  • Images

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mathematik Physik. According to our analytics all requests are already optimized.

Network Requests Diagram

mathematikphysik.de

mathematikphysik.de

351 ms

logo_grau.gif

logo_grau.gif

112 ms

einsteinrad.gif

einsteinrad.gif

204 ms

by-nc-sa_small.png

by-nc-sa_small.png

218 ms

logo.gif

logo.gif

111 ms

wong.gif

wong.gif

108 ms

404.html

404.html

108 ms

Accessibility Review

mathematikphysik.de accessibility score

53

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

mathematikphysik.de 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

Serves images with low resolution

SEO Factors

mathematikphysik.de SEO score

69

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mathematikphysik.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 Mathematikphysik.de main page’s claimed encoding is iso-8859-1. 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

mathematikphysik.de

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