VAST Guidelines

Approved Vendors

Please click here to find more information on our approved vendors, ad guidelines

SSL Compliance

Tags must be secure and SSL compliant

Ad Components

All standard VAST tags are required to include multiple bit rates of the same video ad.
Client 3rd party ad server should provide this functionality. Please check with your 3rd party ad server representative to confirm.
This is to allow the video player to choose the best file size for the bandwidth of the user, to provide the best user experience with the highest quality video content without buffering.
VAST ads must not include skippable or other advanced functionality.

A standard VAST tag requires a minimum of 3 MP4 (H.264) format video files.

A low or medium quality rendition must be supplied at minimum.

Bitrate

LOW

300-700 kbps

MEDIUM

700-1500 kbps

HIGH

1500-3500 kbps

Resolution

640×360

1024×576

1280×720

Accepted aspect ratios	4:3 or 16:9
Audio requirements	Audio codec: AAC Audio bitrate: 48 kHZ, 2 Channel, 128 kbps Audio level: -21dB to -9dB max. -24 LKFS (+/- 2.0 dB)