Tools & Wizards About Us
musik.zdf.de screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    31% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 95% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 99

    SEO

    Google-friendlier than
    94% of websites

musik.zdf.de

Konzerte von Rock, Pop, Klassik bis Jazz zum Streamen - ZDFmediathek

Page Load Speed

5.9 sec in total

First Response

1.9 sec

Resources Loaded

3.7 sec

Page Rendered

260 ms

musik.zdf.de screenshot

About Website

Click here to check amazing Musik Zdf content for Germany. Otherwise, check out these important facts you probably never knew about musik.zdf.de

Online Konzerte streamen, Hintergründe und Aktuelles aus der Musik erfahren: von Rock und Pop, über Klassik bis Jazz in all seiner Vielfalt.

Visit musik.zdf.de

Key Findings

We analyzed Musik.zdf.de page load time and found that the first response time was 1.9 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

musik.zdf.de performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value23.0 s

0/100

10%

TBT (Total Blocking Time)

Value8,590 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

musik-im-zdf-5990334.html

1947 ms

zdfplayer.min.css

22 ms

jquery.fancybox-1.3.4.css

33 ms

jquery.jscrollpane.css

37 ms

socialshareprivacy.css

34 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Musik.zdf.de, 2% (2 requests) were made to De.ioam.de and 2% (2 requests) were made to Epg-image.zdf.de. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Zdf.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 340.3 kB (46%)

Content Size

737.1 kB

After Optimization

396.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Musik.zdf.de main page is 737.1 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. 50% of websites need less resources to load. Javascripts take 343.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 51.6 kB

  • Original 62.2 kB
  • After minification 56.0 kB
  • After compression 10.6 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 51.6 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 16.8 kB

  • Original 329.4 kB
  • After minification 312.6 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. Musik Zdf images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 270.2 kB

  • Original 343.0 kB
  • After minification 343.0 kB
  • After compression 72.8 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 270.2 kB or 79% of the original size.

CSS Optimization

-64%

Potential reduce by 1.6 kB

  • Original 2.5 kB
  • After minification 2.4 kB
  • After compression 894 B

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. Musik.zdf.de needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (52%)

Requests Now

56

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Musik Zdf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

musik-im-zdf-5990334.html

musik-im-zdf-5990334.html

1947 ms

zdfplayer.min.css

zdfplayer.min.css

22 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

33 ms

jquery.jscrollpane.css

jquery.jscrollpane.css

37 ms

socialshareprivacy.css

socialshareprivacy.css

34 ms

zdf-sb.css

zdf-sb.css

42 ms

contenttest.css

contenttest.css

46 ms

zdf-sb-ebene-own.css

zdf-sb-ebene-own.css

48 ms

footer_miniepg.css

footer_miniepg.css

159 ms

header.css

header.css

59 ms

jquery.ui.autocomplete-1.8.13.css

jquery.ui.autocomplete-1.8.13.css

62 ms

jquery-ui-1.8.12.custom.css

jquery-ui-1.8.12.custom.css

76 ms

zdf-global-own.css

zdf-global-own.css

95 ms

merkliste.css

merkliste.css

102 ms

zdf-spec-own.css

zdf-spec-own.css

79 ms

notfound.css

notfound.css

73 ms

jquery.zdfsport_bildgalerie.css

jquery.zdfsport_bildgalerie.css

88 ms

widget.css

widget.css

90 ms

zdf-global.css

zdf-global.css

144 ms

zdf-sb-ebene.css

zdf-sb-ebene.css

117 ms

liquid.css

liquid.css

103 ms

modernizr-1.6.min.js

modernizr-1.6.min.js

139 ms

jquery-1.6.2.min.js

jquery-1.6.2.min.js

326 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

119 ms

zdf_beitrag.js

zdf_beitrag.js

136 ms

zdf_miniepg.js

zdf_miniepg.js

133 ms

jquery.countdown1.5.2.min.js

jquery.countdown1.5.2.min.js

164 ms

zdf_sendungenaz_own.js

zdf_sendungenaz_own.js

163 ms

zdf_dummy.js

zdf_dummy.js

235 ms

jquery.init.js

jquery.init.js

164 ms

app.dev.js

app.dev.js

260 ms

frontend_own.js

frontend_own.js

169 ms

zdfplayer.min.js

zdfplayer.min.js

204 ms

jquery.touchwipe.min.js

jquery.touchwipe.min.js

181 ms

jquery.placeheld.js

jquery.placeheld.js

185 ms

zdfplayerinitializer.js

zdfplayerinitializer.js

206 ms

iam.js

iam.js

188 ms

jquery.fancybox-1.3.4.js

jquery.fancybox-1.3.4.js

199 ms

jquery.scrollpane.js

jquery.scrollpane.js

215 ms

smarttag.js

smarttag.js

203 ms

jquery.socialshareprivacy.js

jquery.socialshareprivacy.js

212 ms

jquery-ui-1.8.13.custom.min.js

jquery-ui-1.8.13.custom.min.js

262 ms

merkliste.js

merkliste.js

209 ms

jquery.zdfsport_bildgalerie.js

jquery.zdfsport_bildgalerie.js

235 ms

ajax_link.js

ajax_link.js

258 ms

zdf_sb.js

zdf_sb.js

203 ms

zdf_epg.js

zdf_epg.js

221 ms

iscroll.js

iscroll.js

305 ms

zdf_sb_ebene.js

zdf_sb_ebene.js

303 ms

script.js

script.js

218 ms

jquery.url.js

jquery.url.js

219 ms

zdf_beitrag_own.js

zdf_beitrag_own.js

222 ms

jquery.ui.autocomplete-1.8.13.js

jquery.ui.autocomplete-1.8.13.js

286 ms

jquery.ui.core-1.8.13.js

jquery.ui.core-1.8.13.js

278 ms

jquery.ui.position-1.8.13.js

jquery.ui.position-1.8.13.js

268 ms

jquery.ui.widget-1.8.13.js

jquery.ui.widget-1.8.13.js

275 ms

jquery.countdown-de.js

jquery.countdown-de.js

255 ms

playercontrol.js

playercontrol.js

258 ms

swfobject.min.js

swfobject.min.js

240 ms

common.js

common.js

289 ms

atinternetinitializer.js

atinternetinitializer.js

254 ms

data.png

data.png

22 ms

data.png

data.png

22 ms

data.jpg

data.jpg

56 ms

data.png

data.png

141 ms

data.jpg

data.jpg

413 ms

data.jpg

data.jpg

423 ms

12986146

12986146

217 ms

12978419

12978419

200 ms

data.png

data.png

93 ms

data.png

data.png

120 ms

data.png

data.png

138 ms

data.jpg

data.jpg

763 ms

data.png

data.png

152 ms

data.png

data.png

162 ms

data.png

data.png

176 ms

data.png

data.png

191 ms

data.png

data.png

210 ms

data.png

data.png

196 ms

data.png

data.png

243 ms

data.png

data.png

212 ms

data.gif

data.gif

233 ms

tx.io

tx.io

196 ms

tx.io

tx.io

97 ms

d3cc9d

d3cc9d

172 ms

hit.xiti

hit.xiti

447 ms

date

date

22 ms

data.gif

data.gif

72 ms

data.png

data.png

51 ms

data.png

data.png

38 ms

data.png

data.png

24 ms

d3cc9d

d3cc9d

192 ms

data.png

data.png

18 ms

23a0115e-83f0-4c5a-a9ef-85a0c2465f19

23a0115e-83f0-4c5a-a9ef-85a0c2465f19

188 ms

data.png

data.png

143 ms

71745269-afd8-4bc1-976c-9cfd271f21bc

71745269-afd8-4bc1-976c-9cfd271f21bc

187 ms

Accessibility Review

musik.zdf.de accessibility score

98

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.

Best Practices

musik.zdf.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

musik.zdf.de SEO score

99

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

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 Musik.zdf.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 Musik.zdf.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

musik.zdf.de

Open Graph description is not detected on the main page of Musik Zdf. 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: