Tools & Wizards About Us
mathematische-basteleien.de screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

mathematische-basteleien.de

Mathematische Basteleien

Page Load Speed

1.4 sec in total

First Response

398 ms

Resources Loaded

646 ms

Page Rendered

362 ms

mathematische-basteleien.de screenshot

About Website

Welcome to mathematische-basteleien.de homepage info - get ready to check Mathematische Basteleien best content for United States right away, or after learning these important things about mathematische-basteleien.de

Topics include Flexagon, Soma Cube, Pentominos, Cube-it, Rubik's Cube, Froebel's Star, Tangram, House of Santa Claus, Chronogram, Numeric Palindromes. English/German.

Visit mathematische-basteleien.de

Key Findings

We analyzed Mathematische-basteleien.de page load time and found that the first response time was 398 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

mathematische-basteleien.de performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 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)

Value0.8 s

100/100

10%

Network Requests Diagram

mathematische-basteleien.de

398 ms

strich.gif

107 ms

strich2.gif

209 ms

email.gif

248 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Mathematische-basteleien.de and no external sources were called. The less responsive or slowest element that took the longest time to load (398 ms) belongs to the original domain Mathematische-basteleien.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 56.4 kB (70%)

Content Size

81.0 kB

After Optimization

24.6 kB

  • HTML
  • JavaScript

In fact, the total size of Mathematische-basteleien.de main page is 81.0 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 10% of websites need less resources to load. HTML takes 63.9 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 56.4 kB

  • Original 63.9 kB
  • After minification 63.8 kB
  • After compression 7.5 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 56.4 kB or 88% of the original size.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mathematische Basteleien. According to our analytics all requests are already optimized.

Network Requests Diagram

mathematische-basteleien.de

mathematische-basteleien.de

398 ms

strich.gif

strich.gif

107 ms

strich2.gif

strich2.gif

209 ms

email.gif

email.gif

248 ms

Accessibility Review

mathematische-basteleien.de accessibility score

54

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Best Practices

mathematische-basteleien.de 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

SEO Factors

mathematische-basteleien.de SEO score

67

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 Mathematische-basteleien.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 Mathematische-basteleien.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

mathematische-basteleien.de

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