BBC Mobile Interstitial ad specs

BBC Mobile Interstitial ads are vertical 2:3 still images, measured at 320×480 px, delivered as JPG, PNG, GIF, or HTML. They run in the mWeb · Full-Screen (Stories) placement on BBC. Use these requirements to brief designers, validate uploads, and avoid creative rejections in BBC's ad manager.

Visual specifications

Dimensions320 × 480 px
Aspect ratios2:3
Orientationportrait
File typesJPG, PNG, GIF, HTML

Notes & source

Two creative sizes accepted: 320×480 (handset) and 768×1024 (tablet). Portrait only.

Official source: https://bbcnews.bbcstudios.com/advertising/ad-specs/09-interstitial/

Frequently asked questions

What size are BBC Mobile Interstitial ads?
BBC Mobile Interstitial ads are 320×480 pixels with an aspect ratio of 2:3.
What aspect ratio does BBC Mobile Interstitial use?
BBC Mobile Interstitial supports 2:3 aspect ratio.
Which file formats does BBC Mobile Interstitial accept?
BBC Mobile Interstitial accepts JPG, PNG, GIF, and HTML files.
What is the BBC Mobile Interstitial ad format?
BBC Mobile Interstitial is a image ad format that runs in the mWeb · Full-Screen (Stories) placement on BBC. This page documents its full creative requirements, sourced from BBC's official ad documentation.
Where does BBC Mobile Interstitial appear on BBC?
BBC Mobile Interstitial ads appear in the mWeb · Full-Screen (Stories) placement on BBC.
How does BBC Mobile Interstitial compare to other BBC ad formats?
BBC Mobile Interstitial differs from other BBC placements in its 320×480px canvas. Compare side-by-side from the BBC publisher page on All Ad Specs.
Where can I find the official BBC Mobile Interstitial documentation?
The official source for BBC Mobile Interstitial requirements is https://bbcnews.bbcstudios.com/advertising/ad-specs/09-interstitial/, linked from this page.
Are these BBC Mobile Interstitial specs kept up to date?
Yes — every spec entry references BBC's official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.