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Technical specification of ad formats

Native Advertisement

Discreet but effective. The native advertisement is cleverly placed between articles across all of the, and Can´t be missed when rolling through current news of specific section.


Available on these sites



  • Image (JPG, PNG, GIF neanimovaný)
  • Message: Text


  • Image: 230×129 px + 172×129 px
  • Message: Title: 56 characters including spaces; Text: 50-70 characters including spaces. The text is spread over two lines according to the style of the page. Depending on the length and structure of the words, the text may be shortened (…)

Maximum data size

  • 15 kB

Warning: For the mobile version of a native ad, only the image and title appear in the article listing.

External display code

  • No

External measurements (beyond Mafra a.s. measurements)

  • Yes, according to our specifications.
  • Accepted third-party codes: AdForm, DCM, Sizmek, Gemius, IAS, DoubleVerify.
  • Attention! All third-party tracking codes must use only secure links (https://). In the creatives themselves, all tracking URLs must also use a secure connection (https://). Differences in tracking code statistics without using https:// will not be taken into account.

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.