Pre Roll

Format: H.264 (MP4) video file type must be included for each video creative. (other formats such as WebM can be included but may not be used)

Aspect Ratio and bit rate: 16:9 or 4:3 aspect ratio. 720p or below. Must contain at least one media file under 1000kbps

Platform: Desktop / Tablet / Mobile

Audio format: MP3 or AAC

Frames per second: Maximum 30fps

Max file Size: 10MB 

Requirements: 

• Must be youtube compliant - (XML summary for VAST ad server response can be found here : https://support.google.com/youtube/answer/1069906)

• Must be SSL compliant

• Must be served via a linear VAST tag (pre-fetch) via youtube approved vendor. A complete list can be found here https://developers.google.com/third-party-ads/youtube-vendors?visit_id=636917150413929080-236878512&rd=2

• Must NOT include any geo, browser , audience, or any other targeting on the third party end.

• Please ensure your ad server returns a valid crossdomain.xml file. If you chose to explicitly list domains please ensure all ad serving domains are included. 

•  VAST-served video ads are not guaranteed to run on all moble web browsers, games consoles or connected TV devices. 

• Only VAST 2.0 and 3.0 are currently supported. 

• VPAID is not allowed on youtube

Max video length: 

15 Seconds (non skippable)

6 Seconds (bumper)

20 Seconds (non skippable EMEA, mexico, India, Malaysia, Singapore only)