Analyze Markus Lanz - ZDFmediathek

Talk, Talkshow, Markus Lanz, Gesellschaft

Page load speed analysis

  • 66/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    988 ms

  • Resources loaded

    3.6 sec

  • Page rendered

    259 ms

  • Total page load time

    4.8 sec

Visit 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

We analyzed 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.

Page optimization

  • HTML 62.7 kB
    Images 128.9 kB
    Javascripts 345.0 kB
    CSS 2.5 kB

    In fact, the total size of main page is 539.1 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. 65% of websites need less resources to load. Javascripts take 345.0 kB which makes up the majority of the site volume.

    • Original 62.7 kB
    • After minification 56.8 kB
    • After compression 10.8 kB

    HTML optimization

    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.

    • Original 128.9 kB
    • After optimization 123.6 kB

    Image optimization

    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.

    • Original 345.0 kB
    • After minification 340.8 kB
    • After compression 67.1 kB

    JavaScript optimization

    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 277.9 kB or 81% of the original size.

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

    CSS optimization

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

Network requests diagram

  • markus-lanz-5990354.html
  • zdfplayer.min.css
  • jquery.fancybox-1.3.4.css
  • jquery.jscrollpane.css
  • socialshareprivacy.css
  • zdf-sb.css
  • contenttest.css
  • zdf-sb-ebene-own.css
  • footer_miniepg.css
  • header.css
  • jquery.ui.autocomplete-1.8.13.css
  • jquery-ui-1.8.12.custom.css
  • zdf-global-own.css
  • merkliste.css
  • zdf-spec-own.css
  • notfound.css
  • jquery.zdfsport_bildgalerie.css
  • widget.css
  • zdf-global.css
  • zdf-sb-ebene.css
  • liquid.css
  • modernizr-1.6.min.js
  • jquery-1.6.2.min.js
  • jquery.easing.1.3.js
  • zdf_beitrag.js
  • zdf_miniepg.js
  • jquery.countdown1.5.2.min.js
  • zdf_sendungenaz_own.js
  • zdf_dummy.js
  • jquery.init.js
  • frontend_own.js
  • zdfplayer.min.js
  • jquery.touchwipe.min.js
  • jquery.placeheld.js
  • zdfplayerinitializer.js
  • iam.js
  • jquery.fancybox-1.3.4.js
  • jquery.scrollpane.js
  • smarttag.js
  • jquery.socialshareprivacy.js
  • jquery-ui-1.8.13.custom.min.js
  • merkliste.js
  • jquery.zdfsport_bildgalerie.js
  • ajax_link.js
  • zdf_sb.js
  • zdf_epg.js
  • iscroll.js
  • zdf_sb_ebene.js
  • script.js
  • jquery.url.js
  • zdf_beitrag_own.js
  • jquery.ui.autocomplete-1.8.13.js
  • jquery.ui.core-1.8.13.js
  • jquery.ui.position-1.8.13.js
  • jquery.ui.widget-1.8.13.js
  • jquery.countdown-de.js
  • playercontrol.js
  • swfobject.min.js
  • common.js
  • atinternetinitializer.js
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  • 13088653
  • 13074628
  • 13065187
  • 13043265
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  • data.gif
  • d3cc9d
  • hit.xiti
  • date
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  • e8177494-eb95-42b9-90ea-acc60ef5df2a
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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, 2% (2 requests) were made to and 1% (1 request) were made to The less responsive or slowest element that took the longest time to load (988 ms) relates to the external source

Additional info on


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.











Possible request optimization













Normal result

IP address uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 900

Language and encoding

Good result


DE de language flag


DE de language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 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 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.

HTTPS certificate

SSL Certificate has a valid and up-to-date SSL certificate that expires on February 7, 2019.

Good result

Visitor World Map

Country of origin for 83.7% of all visits is Germany. It’s good for that their server is also located in Germany, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Normal result

Social Sharing Optimization

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:

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