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Technical specification of ad formats

Video Branding

Branding belongs to most popular and outstanding ad formats. Thanks to its size around the entire page it is excellently visible for all the time a user is scrolling down the page. For even greater attractively, it is possible to place a video on the top or side of the branding, which is automatically played and the user will be immediately attracted.

Preview Template Sources



  • Image (JPG, PNG, GIF)
  • HTML5
  • Video format: MP4; video codec: H.264


  • Branding: 2000×1280 px
  • Video: max. 2000×1280 px (usually in header 409×230 px or on side 169×95 px or up to 1030x230 px in leaderboard)

Maximum data size

  • Branding: 400 kB (HTML5 max. 600 kB)
  • Video: max. 2 MB

Design requirements for branding

  1. The creative must not be transparent
  2. Place important advertising messages in a 1366 × 768 px wide column (see red area in drawing.) This is very important due to the different resolutions and ratios of the display devices. This area is visible to most users.

External display code

  • No

External measurements (beyond the measurements of Mafra a.s.)

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

Want an animated banner?

In this case it is necessary to supply a banner in the format HTML5 .

For the smooth start and running of campaigns, the documents which do not meet described specification must be aprooved by the MAFRA technical department in advance. Thank you for your understanding.