Tools & Wizards About Us
planet-wissen.de screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

planet-wissen.de

Planet Wissen

Page Load Speed

4 sec in total

First Response

318 ms

Resources Loaded

3.1 sec

Page Rendered

571 ms

planet-wissen.de screenshot

About Website

Welcome to planet-wissen.de homepage info - get ready to check Planet Wissen best content for Germany right away, or after learning these important things about planet-wissen.de

Wissensendung im Fernsehen und Online-Plattform von Westdeutschem Rundfunk (WDR), Südwestrundfunk (SWR) und ARD alpha

Visit planet-wissen.de

Key Findings

We analyzed Planet-wissen.de page load time and found that the first response time was 318 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

planet-wissen.de performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value680 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value1

2/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

planet-wissen.de

318 ms

www.planet-wissen.de

314 ms

www.planet-wissen.de

327 ms

index.html

94 ms

merged_scripts.js

485 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 92% of them (77 requests) were addressed to the original Planet-wissen.de, 4% (3 requests) were made to and 2% (2 requests) were made to Www1.wdr.de. The less responsive or slowest element that took the longest time to load (897 ms) belongs to the original domain Planet-wissen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 968.7 kB (34%)

Content Size

2.8 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Planet-wissen.de main page is 2.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 104.3 kB

  • Original 123.2 kB
  • After minification 123.0 kB
  • After compression 18.9 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 104.3 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 107.4 kB

  • Original 1.1 MB
  • After minification 1.0 MB

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. Planet Wissen images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 641.8 kB

  • Original 925.1 kB
  • After minification 925.1 kB
  • After compression 283.3 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 641.8 kB or 69% of the original size.

CSS Optimization

-17%

Potential reduce by 115.2 kB

  • Original 669.9 kB
  • After minification 669.8 kB
  • After compression 554.7 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. Planet-wissen.de needs all CSS files to be minified and compressed as it can save up to 115.2 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (33%)

Requests Now

75

After Optimization

50

  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Planet Wissen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

planet-wissen.de

planet-wissen.de

318 ms

www.planet-wissen.de

www.planet-wissen.de

314 ms

www.planet-wissen.de

www.planet-wissen.de

327 ms

index.html

index.html

94 ms

merged_scripts.js

merged_scripts.js

485 ms

ardPlayerInit.min.js

ardPlayerInit.min.js

463 ms

merged_base.css

merged_base.css

237 ms

plawi-downloadbutton-style-fix100.css

plawi-downloadbutton-style-fix100.css

238 ms

global-font-fix100.css

global-font-fix100.css

237 ms

podcast-button_fix_100.css

podcast-button_fix_100.css

238 ms

fix-sm-integration100.css

fix-sm-integration100.css

238 ms

play-button-plawi100.css

play-button-plawi100.css

315 ms

bugfix-floating100.css

bugfix-floating100.css

350 ms

fix-gefetteze-zwischenueberschriften-bei-ankern100.css

fix-gefetteze-zwischenueberschriften-bei-ankern100.css

325 ms

plawi-audio-modul-fix-bereich-css100.css

plawi-audio-modul-fix-bereich-css100.css

326 ms

searchFormBugFix100.js

searchFormBugFix100.js

339 ms

merged_reset.css

merged_reset.css

80 ms

merged_fonts.css

merged_fonts.css

740 ms

merged_header.css

merged_header.css

82 ms

merged_feature.css

merged_feature.css

88 ms

plainGSEA.min.css

plainGSEA.min.css

428 ms

merged_external.css

merged_external.css

83 ms

merged_geodata.css

merged_geodata.css

83 ms

merged_skin.css

merged_skin.css

208 ms

schuhe-fuss-100~_v-ARDAustauschformat.jpg

schuhe-fuss-100~_v-ARDAustauschformat.jpg

504 ms

logo_planetwissen.png

logo_planetwissen.png

152 ms

alpha.png

alpha.png

143 ms

swr.png

swr.png

151 ms

wdr.png

wdr.png

161 ms

lupe_gross.png

lupe_gross.png

222 ms

gehirn-tuning-teaser-100~_v-TeaserAufmacher.jpg

gehirn-tuning-teaser-100~_v-TeaserAufmacher.jpg

271 ms

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np-bayerischer-wald-teaser-100~_v-TeaserAufmacher.jpg

308 ms

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gerueche-teaser-100~_v-TeaserAufmacher.jpg

297 ms

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philanthropie-teaser-100~_v-TeaserAufmacher.jpg

319 ms

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394 ms

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397 ms

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sendung-leipzig-stadt-100~_v-TeaserAufmacher.jpg

405 ms

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397 ms

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470 ms

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510 ms

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sendungsbild-tatort-zuhause-100~_v-TeaserAufmacher.jpg

570 ms

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sendung-baustelle-bruecken-110~_v-TeaserAufmacher.jpg

587 ms

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bild-europawahl-teaser-100~_v-ARDAustauschformat.jpg

493 ms

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cannabis-therapie-102~_v-ARDAustauschformat.jpg

559 ms

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581 ms

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pressefreiheit-kind-grundgesetz-100~_v-ARDAustauschformat.jpg

593 ms

delegierte-wiener-kongress-100~_v-ARDAustauschformat.jpg

delegierte-wiener-kongress-100~_v-ARDAustauschformat.jpg

662 ms

shakespeare-portraet-100~_v-ARDAustauschformat.jpg

shakespeare-portraet-100~_v-ARDAustauschformat.jpg

660 ms

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introarbeitbarrikadengjpg100~_v-ARDAustauschformat.jpg

672 ms

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brandenburger-tor-104~_v-ARDAustauschformat.jpg

671 ms

erdoel-cc-clip-100~_v-TeaserAufmacher.jpg

erdoel-cc-clip-100~_v-TeaserAufmacher.jpg

684 ms

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cc-lizenz-maya-100~_v-ARDAustauschformat.png

848 ms

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planet-wissen-uno-cc-clip-100~_v-ARDAustauschformat.jpg

845 ms

vitamine-produkt-100~_v-ARDAustauschformat.jpg

vitamine-produkt-100~_v-ARDAustauschformat.jpg

605 ms

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industrielle-revolution-cc-clip-100~_v-ARDAustauschformat.jpg

843 ms

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cc-lizenz-kaethe-kollwitz-100~_v-ARDAustauschformat.png

791 ms

video-darmspiegelung-selbstversuch-102~_v-ARDAustauschformat.jpg

video-darmspiegelung-selbstversuch-102~_v-ARDAustauschformat.jpg

789 ms

kindheit-was-passiert-wann-100~_v-ARDAustauschformat.jpg

kindheit-was-passiert-wann-100~_v-ARDAustauschformat.jpg

785 ms

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787 ms

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neuseeland-seefahrer-100~_v-ARDAustauschformat.jpg

795 ms

sizilien-geschichte-100~_v-ARDAustauschformat.jpg

sizilien-geschichte-100~_v-ARDAustauschformat.jpg

732 ms

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bestattungsrituale-nachhaltige-saerge-102~_v-ARDAustauschformat.png

897 ms

egoismus-gruende-100~_v-ARDAustauschformat.jpg

egoismus-gruende-100~_v-ARDAustauschformat.jpg

769 ms

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video-blutige-tomaten-102~_v-ARDAustauschformat.jpg

797 ms

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mosaic-aufbau-100~_v-ARDAustauschformat.jpg

745 ms

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video-brandt-4-kniefall-100~_v-ARDAustauschformat.jpg

756 ms

pw-homeschooling-online-lernen-100~_v-TeaserAufmacher.jpg

pw-homeschooling-online-lernen-100~_v-TeaserAufmacher.jpg

689 ms

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planet-wissen-studio-100~_v-bannerhochs.jpg

707 ms

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pw-logo-studio-100~_v-TeaserAufmacher.jpg

735 ms

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wissen-ard-mediathek-100~_v-TeaserAufmacher.jpg

736 ms

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plawi_moderatoren108~_v-ARDAustauschformat.jpg

656 ms

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teaserbild-bildergalerie-100~_v-ARDAustauschformat.jpg

807 ms

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jubilaeum-planet-wissen-100~_v-ARDAustauschformat.jpg

729 ms

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podcast-104~_v-ARDAustauschformat.jpg

733 ms

ard_wse.png

ard_wse.png

660 ms

mn_tv.png

mn_tv.png

365 ms

arrow_breadcrumb.png

arrow_breadcrumb.png

367 ms

audio.png

audio.png

443 ms

TheSans_LT_TT5_.woff

TheSans_LT_TT5_.woff

484 ms

dfYfQvglZQ==

dfYfQvglZQ==

13 ms

TheSans_LT_TT7_.woff

TheSans_LT_TT7_.woff

449 ms

u3T8wJmSf+rzp4AlUgk8g==

u3T8wJmSf+rzp4AlUgk8g==

10 ms

wfslmyrAHicY2BkYGDgAWIxIGZiYARCayBmAfMYAAYnAGp4nGNgYGBkAIKrb113gOiboacPwWgAVtAINwAAeJwlizEOQFAUBCdOINEjEYVohAihUWp0FBJncBInwA3cw7W+9f9O3habNx7ggS8a29Baegpi8fdgDCcPF7m+ZgIx0jGxslGSUGtdZIdU3HLh4LWXErHjkglkuKQfq8APMQAAAA==

wfslmyrAHicY2BkYGDgAWIxIGZiYARCayBmAfMYAAYnAGp4nGNgYGBkAIKrb113gOiboacPwWgAVtAINwAAeJwlizEOQFAUBCdOINEjEYVohAihUWp0FBJncBInwA3cw7W+9f9O3habNx7ggS8a29Baegpi8fdgDCcPF7m+ZgIx0jGxslGSUGtdZIdU3HLh4LWXErHjkglkuKQfq8APMQAAAA==

8 ms

merged_print.css

merged_print.css

166 ms

Accessibility Review

planet-wissen.de accessibility score

96

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

planet-wissen.de best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

planet-wissen.de SEO score

91

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

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

High

Tap targets are not sized appropriately

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 Planet-wissen.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 Planet-wissen.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

planet-wissen.de

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