Tools & Wizards About Us
wdr4.de screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

wdr4.de

WDR 4 – Wir sind Heimat. 80er und die größten Klassiker - WDR 4 - Radio - WDR

Page Load Speed

6.9 sec in total

First Response

351 ms

Resources Loaded

4.8 sec

Page Rendered

1.8 sec

wdr4.de screenshot

About Website

Welcome to wdr4.de homepage info - get ready to check WDR 4 best content for Germany right away, or after learning these important things about wdr4.de

Wir spielen 80er und die größten Klassiker; von ABBA bis Madonna, von den Beatles und Queen bis Herbert Grönemeyer. Dazu gibt es wie immer aktuelle Nachrichten und jede Menge Infos auch aus Ihrer Regi...

Visit wdr4.de

Key Findings

We analyzed Wdr4.de page load time and found that the first response time was 351 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

wdr4.de performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value1,540 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.584

11/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

wdr4.de

351 ms

www.wdr4.de

367 ms

index.html

326 ms

index.html

516 ms

merged_scripts.js

442 ms

Our browser made a total of 161 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Wdr4.de, 84% (135 requests) were made to Www1.wdr.de and 7% (12 requests) were made to Images.sportschau.de. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Www1.wdr.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (43%)

Content Size

4.6 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wdr4.de main page is 4.6 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. 65% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 253.8 kB

  • Original 293.6 kB
  • After minification 293.5 kB
  • After compression 39.9 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 253.8 kB or 86% of the original size.

Image Optimization

-14%

Potential reduce by 278.5 kB

  • Original 2.0 MB
  • After minification 1.7 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. Obviously, WDR 4 needs image optimization as it can save up to 278.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 658.6 kB

  • Original 947.0 kB
  • After minification 947.0 kB
  • After compression 288.3 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 658.6 kB or 70% of the original size.

CSS Optimization

-57%

Potential reduce by 757.1 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 572.5 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. Wdr4.de needs all CSS files to be minified and compressed as it can save up to 757.1 kB or 57% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (22%)

Requests Now

148

After Optimization

115

  • Images
  • JavaScript
  • CSS

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WDR 4. 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 from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

wdr4.de

wdr4.de

351 ms

www.wdr4.de

www.wdr4.de

367 ms

index.html

index.html

326 ms

index.html

index.html

516 ms

merged_scripts.js

merged_scripts.js

442 ms

ardPlayerInit.min.js

ardPlayerInit.min.js

458 ms

merged_base.css

merged_base.css

374 ms

merged_smartbanner.css

merged_smartbanner.css

248 ms

smartbanner.min.js

smartbanner.min.js

250 ms

global-font-fix100.css

global-font-fix100.css

253 ms

bereichscss_wdr4-100.css

bereichscss_wdr4-100.css

252 ms

audiomodul-filter-fix100.css

audiomodul-filter-fix100.css

330 ms

bugfix-floating100.css

bugfix-floating100.css

333 ms

suche-controller-fix100.js

suche-controller-fix100.js

234 ms

searchFormBugFix100.js

searchFormBugFix100.js

236 ms

iframeresizer102.js

iframeresizer102.js

310 ms

merged_reset.css

merged_reset.css

86 ms

merged_fonts.css

merged_fonts.css

475 ms

merged_header.css

merged_header.css

89 ms

merged_feature.css

merged_feature.css

108 ms

plainGSEA.min.css

plainGSEA.min.css

440 ms

merged_external.css

merged_external.css

99 ms

merged_geodata.css

merged_geodata.css

89 ms

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587 ms

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neutral-jazz132~_v-ARDKleinerTeaser.jpg

543 ms

fans-olympia-deutschland-102~_v-ARDKleinerTeaser.jpg

fans-olympia-deutschland-102~_v-ARDKleinerTeaser.jpg

559 ms

olympia-352~_v-ARDKleinerTeaser.jpg

olympia-352~_v-ARDKleinerTeaser.jpg

583 ms

soundtrack-key-vis-100~_v-ARDAustauschformat.jpg

soundtrack-key-vis-100~_v-ARDAustauschformat.jpg

716 ms

tatami-104~_v-ARDAustauschformat.jpg

tatami-104~_v-ARDAustauschformat.jpg

634 ms

daffy-duck-und-schweinchen-dick-retten-den-planeten-104~_v-ARDAustauschformat.jpg

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658 ms

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zwei-zu-eins-104~_v-ARDAustauschformat.jpg

628 ms

kinosaal-132~_v-ARDAustauschformat.jpg

kinosaal-132~_v-ARDAustauschformat.jpg

588 ms

kino-saal-popcorn-100~_v-ARDAustauschformat.jpg

kino-saal-popcorn-100~_v-ARDAustauschformat.jpg

724 ms

essen-lichtburg-kino-100~_v-ARDAustauschformat.jpg

essen-lichtburg-kino-100~_v-ARDAustauschformat.jpg

750 ms

day.37.svg

day.37.svg

651 ms

podcasts-wdrvier-teaser-100~_v-ARDAustauschformats.jpg

podcasts-wdrvier-teaser-100~_v-ARDAustauschformats.jpg

784 ms

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739 ms

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dab-plus-130~_v-ARDAustauschformats.jpg

707 ms

playlist-wdrvier-102~_v-ARDKleinerTeaser.jpg

playlist-wdrvier-102~_v-ARDKleinerTeaser.jpg

665 ms

frequenzen-wdrvier-100~_v-ARDKleinerTeaser.jpg

frequenzen-wdrvier-100~_v-ARDKleinerTeaser.jpg

710 ms

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programm-uebersicht-teaser-100~_v-ARDKleinerTeaser.jpg

708 ms

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facebook-icon-102~_v-ARDKleinerTeaser.jpg

687 ms

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720 ms

merged_print.css

merged_print.css

96 ms

Accessibility Review

wdr4.de accessibility score

79

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

Form elements do not have associated labels

High

Links do not have a discernible name

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

wdr4.de best practices score

58

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

Displays images with incorrect aspect ratio

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

wdr4.de SEO score

92

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 Wdr4.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 Wdr4.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

wdr4.de

Open Graph data is detected on the main page of WDR 4. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: