Web InApp/Mobile
VAST 1.0 Yes No
VAST 2.0 Yes No
Action Script Version(s) AS2 and AS3 No
Video File formats Any Standard Digital Video Format (.MOV, .FLV, .MP4, .WMV, etc.) Any Standard Digital Video Format (.MOV, .FLV, .MP4, .WMV, etc.)
Use of multiple video formats in the same In-Stream Tag Yes, Accepted Yes, Accepted
Video Unit Size/Resolution 720p preferred 720p preferred
Max Video Length :30 Standard / Pharmaceutical 1:00 :30 Standard / Pharmaceutical 1:00
Aspect Ratio 4:3 aspect ratio (e.g. 400x300) or 16:9 ratio (e.g. 720x480) 3:4, 16:9
Max File Size 2GB 2GB
Frame Rate 24 24
Close Button Requirements (VPAID Only) Yes N/A
Recommended Encoded Bit Rate 800 Kbps 500 Kbps
Scaling supported Yes Yes
Panel Size Recommended minimum of 300 x 225 n/a
Frequency Capping Since these are user-initiated content experiences, no capping
Surrounding Advertising Synchronized banners or text links may appear in close proximity to commercial. IAB Standard ad sizes recommended (
Companion Ad Requirements
Resource Requirement iFrame, HTML and Static n/a
File Formats accepted (ex. jpg, gif, swf) jpg, gif, swf, png n/a
Unit size(s) 300x60 and 300x250 n/a
Maximum file size 40K gif / jpg or 60K Flash n/a
Max Animation 15 sec n/a
Max FPS 24 fps n/a
Max Loops 3 loops n/a
Border Required
A one pixel border is required on the banner. Border Color #b7b7b7

Must be user Initiated (on click: mute/ un-mute); default state is muted

Flash File ClickTag Variable AS2
on (release) { getURL (_level0.clickTAG, "_blank");}

Flash File ClickTag Variable AS3
cta_btn.addEventListener(MouseEvent.CLICK, onClick);
function onClick(e:MouseEvent):void
var request:URLRequest = new URLRequest(root.loaderInfo.parameters.clickTAG);
navigateToURL(request, "_blank");

Best Practice
For times when the user's browser does not support creative functionality (i.e. Flash™, HTML5), provide a standard image file.