Tools & Wizards About Us
markuslanz.zdf.de screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

markuslanz.zdf.de

Markus Lanz - ZDFmediathek

Page Load Speed

4.8 sec in total

First Response

988 ms

Resources Loaded

3.6 sec

Page Rendered

259 ms

markuslanz.zdf.de screenshot

About Website

Visit markuslanz.zdf.de now to see the best up-to-date Markus Lanz Zdf content for Germany and also check out these interesting facts you probably never knew about markuslanz.zdf.de

Talk, Talkshow, Markus Lanz, Gesellschaft

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Key Findings

We analyzed Markuslanz.zdf.de page load time and found that the first response time was 988 ms and then it took 3.8 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

markuslanz.zdf.de performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

markus-lanz-5990354.html

988 ms

zdfplayer.min.css

211 ms

jquery.fancybox-1.3.4.css

17 ms

jquery.jscrollpane.css

19 ms

socialshareprivacy.css

21 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Markuslanz.zdf.de, 2% (2 requests) were made to De.ioam.de and 1% (1 request) were made to Script.ioam.de. The less responsive or slowest element that took the longest time to load (988 ms) relates to the external source Zdf.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 329.0 kB (61%)

Content Size

537.1 kB

After Optimization

208.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Markuslanz.zdf.de main page is 537.1 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. 60% 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 52.0 kB

  • Original 62.7 kB
  • After minification 56.8 kB
  • After compression 10.8 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 52.0 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 5.3 kB

  • Original 128.9 kB
  • After minification 123.6 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. Markus Lanz 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. Markuslanz.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 28 (52%)

Requests Now

54

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Markus Lanz 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

markus-lanz-5990354.html

markus-lanz-5990354.html

988 ms

zdfplayer.min.css

zdfplayer.min.css

211 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

17 ms

jquery.jscrollpane.css

jquery.jscrollpane.css

19 ms

socialshareprivacy.css

socialshareprivacy.css

21 ms

zdf-sb.css

zdf-sb.css

20 ms

contenttest.css

contenttest.css

22 ms

zdf-sb-ebene-own.css

zdf-sb-ebene-own.css

23 ms

footer_miniepg.css

footer_miniepg.css

24 ms

header.css

header.css

30 ms

jquery.ui.autocomplete-1.8.13.css

jquery.ui.autocomplete-1.8.13.css

28 ms

jquery-ui-1.8.12.custom.css

jquery-ui-1.8.12.custom.css

30 ms

zdf-global-own.css

zdf-global-own.css

33 ms

merkliste.css

merkliste.css

40 ms

zdf-spec-own.css

zdf-spec-own.css

40 ms

notfound.css

notfound.css

36 ms

jquery.zdfsport_bildgalerie.css

jquery.zdfsport_bildgalerie.css

43 ms

widget.css

widget.css

41 ms

zdf-global.css

zdf-global.css

47 ms

zdf-sb-ebene.css

zdf-sb-ebene.css

52 ms

liquid.css

liquid.css

42 ms

modernizr-1.6.min.js

modernizr-1.6.min.js

45 ms

jquery-1.6.2.min.js

jquery-1.6.2.min.js

56 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

53 ms

zdf_beitrag.js

zdf_beitrag.js

54 ms

zdf_miniepg.js

zdf_miniepg.js

59 ms

jquery.countdown1.5.2.min.js

jquery.countdown1.5.2.min.js

59 ms

zdf_sendungenaz_own.js

zdf_sendungenaz_own.js

54 ms

zdf_dummy.js

zdf_dummy.js

55 ms

jquery.init.js

jquery.init.js

55 ms

app.dev.js

app.dev.js

54 ms

frontend_own.js

frontend_own.js

55 ms

zdfplayer.min.js

zdfplayer.min.js

149 ms

jquery.touchwipe.min.js

jquery.touchwipe.min.js

55 ms

jquery.placeheld.js

jquery.placeheld.js

55 ms

zdfplayerinitializer.js

zdfplayerinitializer.js

54 ms

iam.js

iam.js

290 ms

jquery.fancybox-1.3.4.js

jquery.fancybox-1.3.4.js

53 ms

jquery.scrollpane.js

jquery.scrollpane.js

50 ms

smarttag.js

smarttag.js

50 ms

jquery.socialshareprivacy.js

jquery.socialshareprivacy.js

49 ms

jquery-ui-1.8.13.custom.min.js

jquery-ui-1.8.13.custom.min.js

49 ms

merkliste.js

merkliste.js

45 ms

jquery.zdfsport_bildgalerie.js

jquery.zdfsport_bildgalerie.js

43 ms

ajax_link.js

ajax_link.js

41 ms

zdf_sb.js

zdf_sb.js

39 ms

zdf_epg.js

zdf_epg.js

37 ms

iscroll.js

iscroll.js

38 ms

zdf_sb_ebene.js

zdf_sb_ebene.js

32 ms

script.js

script.js

33 ms

jquery.url.js

jquery.url.js

31 ms

zdf_beitrag_own.js

zdf_beitrag_own.js

29 ms

jquery.ui.autocomplete-1.8.13.js

jquery.ui.autocomplete-1.8.13.js

29 ms

jquery.ui.core-1.8.13.js

jquery.ui.core-1.8.13.js

27 ms

jquery.ui.position-1.8.13.js

jquery.ui.position-1.8.13.js

27 ms

jquery.ui.widget-1.8.13.js

jquery.ui.widget-1.8.13.js

21 ms

jquery.countdown-de.js

jquery.countdown-de.js

17 ms

playercontrol.js

playercontrol.js

18 ms

swfobject.min.js

swfobject.min.js

18 ms

common.js

common.js

17 ms

atinternetinitializer.js

atinternetinitializer.js

17 ms

data.png

data.png

8 ms

data.png

data.png

11 ms

data.png

data.png

13 ms

data.png

data.png

11 ms

data.jpg

data.jpg

13 ms

data.png

data.png

396 ms

data.png

data.png

9 ms

13088653

13088653

388 ms

13074628

13074628

68 ms

13065187

13065187

69 ms

13043265

13043265

31 ms

data.jpg

data.jpg

122 ms

data.png

data.png

60 ms

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59 ms

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62 ms

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58 ms

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43 ms

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data.png

43 ms

data.gif

data.gif

170 ms

tx.io

tx.io

286 ms

tx.io

tx.io

98 ms

d3cc9d

d3cc9d

213 ms

hit.xiti

hit.xiti

590 ms

date

date

103 ms

data.gif

data.gif

115 ms

data.png

data.png

30 ms

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data.png

8 ms

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4 ms

d3cc9d

d3cc9d

247 ms

data.png

data.png

4 ms

e8177494-eb95-42b9-90ea-acc60ef5df2a

e8177494-eb95-42b9-90ea-acc60ef5df2a

692 ms

data.png

data.png

6 ms

data.jpg

data.jpg

48 ms

Accessibility Review

markuslanz.zdf.de accessibility score

96

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Best Practices

markuslanz.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

markuslanz.zdf.de SEO score

98

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 Markuslanz.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 Markuslanz.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

markuslanz.zdf.de

Open Graph description is not detected on the main page of Markus Lanz 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: