Tools & Wizards About Us
frustfrei-lernen.de screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

frustfrei-lernen.de

Willkommen auf Frustfrei-Lernen.de

Page Load Speed

2.7 sec in total

First Response

403 ms

Resources Loaded

1.9 sec

Page Rendered

475 ms

frustfrei-lernen.de screenshot

About Website

Click here to check amazing Frustfrei Lernen content for Germany. Otherwise, check out these important facts you probably never knew about frustfrei-lernen.de

Frustfrei-lernen.de: Startseite mit Einleitung zu Mathematik, Physik und anderen Fächern

Visit frustfrei-lernen.de

Key Findings

We analyzed Frustfrei-lernen.de page load time and found that the first response time was 403 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

frustfrei-lernen.de performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value410 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

frustfrei-lernen.de

403 ms

www.frustfrei-lernen.de

740 ms

cmp.php

416 ms

cmp_en.min.js

273 ms

ffl-b2655c0d8b869874b9c21b75600cc128a028f2097687813f901d7c4773043e69.css

205 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 38% of them (6 requests) were addressed to the original Frustfrei-lernen.de, 31% (5 requests) were made to Cdn.consentmanager.net and 19% (3 requests) were made to B.delivery.consentmanager.net. The less responsive or slowest element that took the longest time to load (819 ms) relates to the external source Cdn.netpoint-media.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 130.6 kB (26%)

Content Size

501.1 kB

After Optimization

370.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Frustfrei-lernen.de main page is 501.1 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. 25% of websites need less resources to load. Javascripts take 288.3 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 104.0 kB

  • Original 148.2 kB
  • After minification 148.0 kB
  • After compression 44.2 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 104.0 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 33.1 kB
  • After minification 33.1 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. Frustfrei Lernen images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 20.1 kB

  • Original 288.3 kB
  • After minification 288.3 kB
  • After compression 268.2 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

-21%

Potential reduce by 6.5 kB

  • Original 31.5 kB
  • After minification 31.5 kB
  • After compression 25.0 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. Frustfrei-lernen.de needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (38%)

Requests Now

13

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Frustfrei Lernen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

frustfrei-lernen.de

frustfrei-lernen.de

403 ms

www.frustfrei-lernen.de

www.frustfrei-lernen.de

740 ms

cmp.php

cmp.php

416 ms

cmp_en.min.js

cmp_en.min.js

273 ms

ffl-b2655c0d8b869874b9c21b75600cc128a028f2097687813f901d7c4773043e69.css

ffl-b2655c0d8b869874b9c21b75600cc128a028f2097687813f901d7c4773043e69.css

205 ms

adsbygoogle.js

adsbygoogle.js

107 ms

ffl-c6d1bf477764d28e1643fe8f20a7ccf0ac1f2030bca98e9dd6c031bb0e1c2cc5.js

ffl-c6d1bf477764d28e1643fe8f20a7ccf0ac1f2030bca98e9dd6c031bb0e1c2cc5.js

418 ms

1114218.js

1114218.js

819 ms

dennis-bild-300x300.jpg

dennis-bild-300x300.jpg

323 ms

fontawesome-webfont-ba0c59deb5450f5cb41b3f93609ee2d0d995415877ddfa223e8a8a7533474f07.woff

fontawesome-webfont-ba0c59deb5450f5cb41b3f93609ee2d0d995415877ddfa223e8a8a7533474f07.woff

390 ms

bV8xLndfMTc1NTcucl9HRFBSLmxfZW4uZF84NDM3LnhfNS52LnAudF84NDM3Lnh0XzU.js

bV8xLndfMTc1NTcucl9HRFBSLmxfZW4uZF84NDM3LnhfNS52LnAudF84NDM3Lnh0XzU.js

15 ms

recall_finger.svg

recall_finger.svg

45 ms

103 ms

logo1604562951x7421.gif

logo1604562951x7421.gif

16 ms

en.gif

en.gif

28 ms

178 ms

Accessibility Review

frustfrei-lernen.de accessibility score

89

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.

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

frustfrei-lernen.de best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

frustfrei-lernen.de SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Frustfrei-lernen.de 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 Frustfrei-lernen.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

frustfrei-lernen.de

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