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Technical specification of ad formats

Native Video Advertisement

Native video ads are very cleverly placed between articles and are no different in appearance. The video runs in a loop without sound and waits for the user's click, after which the video enlarges. The video can then be replayed or closed. When you click on the text part or enlarged video, you are redirected to the landing page.


Available on these sites



  • Video: MP4 (Codec: H.264; Sound: allowed; Length: max. 180 s)
  • Message: Text


  • Video: 720p (eg 1280×720 px in ratio 16:9)
  • Message: Title: 56 characters including spaces; Text: 133 characters including spaces

Maximum data size

  • Video: max. 100 MB

External display code

  • No

External measurements (beyond Mafra a.s. measurements)

  • No

Due to the smooth running and running of campaigns, documents delivered outside the described specification must be approved in advance by the MAFRA Technical Department. Thanks for your understanding.