Prestitial & Intersitial

Prestitial ads are interactive, full-screen ads that cover the interface of the website. They are entry point ads on any commercialised page on mobile devices and only portrait is allowed.

Interstitial ads can be fully interactive, overlaying the web page with the user option to close and continue with content. Both formats are responsive to the device they're viewed upon.

Device Availability Dimensions (w x h)

Mobile Web - Entry point ad on any commercialised page on mobile devices

Responsive to device. Only portrait allowed.

Mobile phone: Portrait only (320x480)

Tablet: Portrait Only (768x1024)

Accepted Formats / Max File Size:

3rd party Tag - must be responsive Tag

mWeb Prestitial: JPEG accepted - 768x1024 recommended for auto-sizing to mobile devices. (Only Portrait)

JPEG, PNG, animated GIF - Refer above for dimension

Max file size: 80kb

3rd party vendor must be on BBC's approved vendor list

Backup Image formats/ Max File Size:

GIF, JPEG, animated GIF, PNG

Max file size: 80kb

HTML5 HTML5 should support GPT Async and always conform to the ad boundary and visibility that are set by the site, in particular when Ad Div is relocated or hidden on window resizing
HTML5 Info For more info on HTML5:
Execution Guidelines

a) Close X button: - Publisher will be implementing the close button if it's 1st party Ad Served (jpeg/png/gif) Please implement close button if it's 3rd party ad served. Close button must be always visible, top-right corner.

b) Auto Close Action: Please include auto-close action after 15 sec regardless of user interaction if ad served by 3rd party vendor.

c) 1 pixel black/dark border for creative must be implemented. Ad cannot resemble BBC contents.

d) Expanding size is not allowed.

e) Mobile web prestitial will appear at entry point to and will be frequency cap once every 24 hours per user.

Animation/Looping Guidelines Animation & Looping: Up to 15 sec max. (All animation should stop by 15 sec)
Video Guidelines

Allowed - via 3rd party ad served Video Max Duration: 15sec (Auto-play, sound must be on mute)

Must implement Play/Pause, Audio On/Off Toggle Button

Video Max file size: 1.1 MB

Frame rate: 24fps recommended

Audio Guidelines

Allowed - Sound must be on mute.

Must implement Audio On/Off Toggle button

Ad Submission Deadline 7 Working Days
Ad Policies and Technical Specifications BBC Ad Policies and Technical Specs
Specs Updated 24-5-21