Tools & Wizards About Us
die-wissenswelt.de screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

die-wissenswelt.de

Nachhilfe | DIE WISSENSWELT Nachhilfeunterricht | Nordrhein-Westfalen

Page Load Speed

2.3 sec in total

First Response

111 ms

Resources Loaded

2.1 sec

Page Rendered

54 ms

die-wissenswelt.de screenshot

About Website

Click here to check amazing DIE WISSENSWELT content. Otherwise, check out these important facts you probably never knew about die-wissenswelt.de

DIE WISSENSWELT Nachhilfeunterricht ist Ihr Experte für Nachhilfe von Klasse 1-13. Bei uns wird Ihr Kind individuell gefördert. Sie finden uns in Dormagen, Mönchengladbach, Süchteln, Wegberg und Lever...

Visit die-wissenswelt.de

Key Findings

We analyzed Die-wissenswelt.de page load time and found that the first response time was 111 ms and then it took 2.2 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

die-wissenswelt.de performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

www.die-wissenswelt.de

111 ms

minified.js

34 ms

focus-within-polyfill.js

32 ms

polyfill.min.js

1156 ms

thunderbolt-commons.7998af0e.bundle.min.js

65 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Die-wissenswelt.de, 39% (16 requests) were made to Static.parastorage.com and 29% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 432.2 kB (53%)

Content Size

809.7 kB

After Optimization

377.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Die-wissenswelt.de main page is 809.7 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. 40% of websites need less resources to load. HTML takes 488.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 383.4 kB

  • Original 488.3 kB
  • After minification 486.8 kB
  • After compression 104.9 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 383.4 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 742 B

  • Original 26.1 kB
  • After minification 25.4 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. DIE WISSENSWELT images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 48.1 kB

  • Original 295.3 kB
  • After minification 295.3 kB
  • After compression 247.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 48.1 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (46%)

Requests Now

24

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DIE WISSENSWELT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.die-wissenswelt.de

www.die-wissenswelt.de

111 ms

minified.js

minified.js

34 ms

focus-within-polyfill.js

focus-within-polyfill.js

32 ms

polyfill.min.js

polyfill.min.js

1156 ms

thunderbolt-commons.7998af0e.bundle.min.js

thunderbolt-commons.7998af0e.bundle.min.js

65 ms

main.4646567a.bundle.min.js

main.4646567a.bundle.min.js

66 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

66 ms

lodash.min.js

lodash.min.js

67 ms

react.production.min.js

react.production.min.js

65 ms

react-dom.production.min.js

react-dom.production.min.js

67 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

66 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

66 ms

80e30e_4f2e56341a0643469d20b5417a6a2f75~mv2.jpeg

80e30e_4f2e56341a0643469d20b5417a6a2f75~mv2.jpeg

307 ms

80e30e_d466eb3e5403439689ceddce8eee5bad~mv2.jpeg

80e30e_d466eb3e5403439689ceddce8eee5bad~mv2.jpeg

387 ms

Die%20wissenswelt%20logo.png

Die%20wissenswelt%20logo.png

410 ms

80e30e_ae2ea0eab6e44b9baf4b606647af8946~mv2_d_6000_2000_s_2.jpeg

80e30e_ae2ea0eab6e44b9baf4b606647af8946~mv2_d_6000_2000_s_2.jpeg

390 ms

1200px-Mano_cursor_svg.png

1200px-Mano_cursor_svg.png

393 ms

AdobeStock_49010910%20(1).jpeg

AdobeStock_49010910%20(1).jpeg

445 ms

IMG_20200207_121656.jpg

IMG_20200207_121656.jpg

594 ms

AdobeStock_58811947%20(1).jpeg

AdobeStock_58811947%20(1).jpeg

648 ms

bundle.min.js

bundle.min.js

49 ms

file.woff

file.woff

280 ms

bc176270-17fa-4c78-a343-9fe52824e501.woff

bc176270-17fa-4c78-a343-9fe52824e501.woff

44 ms

07d62b21-8d7a-4c36-be86-d32ab1089972.woff

07d62b21-8d7a-4c36-be86-d32ab1089972.woff

49 ms

a9e95a29-98a7-404a-90ee-1929ad09c696.woff

a9e95a29-98a7-404a-90ee-1929ad09c696.woff

49 ms

112 ms

108 ms

104 ms

107 ms

105 ms

103 ms

142 ms

140 ms

135 ms

137 ms

137 ms

136 ms

deprecation-de.v5.html

deprecation-de.v5.html

5 ms

bolt-performance

bolt-performance

25 ms

deprecation-style.v5.css

deprecation-style.v5.css

7 ms

right-arrow.svg

right-arrow.svg

6 ms

Accessibility Review

die-wissenswelt.de accessibility score

88

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

die-wissenswelt.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

die-wissenswelt.de SEO score

100

Search Engine Optimization Advices

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 Die-wissenswelt.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 Die-wissenswelt.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

die-wissenswelt.de

Open Graph data is detected on the main page of DIE WISSENSWELT. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: