GLOSSARY View-through Rate (VTR) A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Percentage of users who viewed a full or significant part of an ad without clicking. Back to index Related concepts VAST (Video Ad Serving Template)vCPM (Viewable Cost Per Mille)VendorVideo Ad Completion RateVideo AdvertisingVideo Completion Rate (VCR)Video Multiple Ad Playlist (VMAP)Video on Demand (VOD)