tracking guidelines media impact
mobile understitial- mobile
Due to its responsive behavior, the mobile understitial is revealed by scrolling and is integrated into the content.
Examples
Technical Data
| dimensions | max. 320 x 480 px |
| file formats | gif, jpg, png, html5, redirect |
| size | 200 kB (hosted by us), max. 2MB reloaded (polite download from external sources) |
General Requirements
- Visible height selectable: 50 px – 250 px
- Platform: Mobile website, not bookable & playable in app
- BILD App: for the BILD App a creative in the size 320 x 460 px must be delivered
- We recommend a creative that is not animated in several slides/scenes, as only a maximum 250px high section is visible
- Alternative size: Retina display 640 x 960 px
- When delivered as HTML5/redirect: If the advertising material is delivered in 640 x 960 px, it must be responsive/scalable in order to adapt to the specified frame (320 x 480 px)
- For delivery as jpeg, png or gif: 320 x 480 px or 640 x 960 px
- For app placements: Please ensure that the creatives do not require JS events and are compatible with the iOS WebView app
- The standard size must be supplied for programmatic postings (320 x 480 px)
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