AdTech Europe

Choosing an ad format for a campaign

The campaign form offers ten formats. Picking the right one is the single biggest decision an advertiser makes, because it decides the audience mindset, the price and the creatives needed.

The ten formats

Format Best for
Pop-Under Cheap volume, offers that work on a full landing page
Push Short messages, re-engagement, app and offer promotion
Native Content-style ads inside articles; good for considered purchases
Display Banners and interstitials for reach and retargeting
Video In-stream and out-stream, brand and product stories
In-App Banners, interstitials and rewarded video inside apps
Audio Digital radio, podcasts and streaming
HTML5 Interactive and animated creatives
TV Connected TV and streaming placements
DOOH Billboards, transit and in-store screens

How to decide

  1. Start from the goal. Direct-response offers often begin with push, pop or native; brand campaigns with video, display or CTV.
  2. Check the creatives you have. No video? Start with native or display.
  3. Check the landing page. Pop-under sends people straight to the page, so it must load fast and work on mobile.
  4. Test two formats with small budgets, then move money to the winner.

The same form is used for every format, so switching later doesn't mean learning a new tool. See the platform page for the full list.

Related: Ad formats and creative specs · Creating a campaign

Nov 13, 2026

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