Video Ad Serving Template (VAST) An Interactive Advertising Bureau (IAB) standard ad script, tag, or code that allows ad servers to communicate video ad information to video players.
Video Completion Rate (VCR) The percentage of video ads that were played in their entirety compared to the number of times they were started.
Video on Demand (VOD) A system that enables users to stream or download video content whenever they choose rather than at a scheduled broadcast time.
View-Through Conversion A conversion that occurs when a user sees an ad but does not click on it, yet later completes a desired action.
Viewability A metric that measures whether an ad was seen by a user, based on predefined standards like those from the Media Rating Council.