VAST (Video Ad Serving Template) is the standard in video ad serving technology and widely used by publishers, ad networks and DOOH displays. The VAST L-shape Left is a video with an image wrapping around it. The format supports external third-party impression trackers.
Image specification:
– Image wrapping around the video: 16:9 size, but maximum 1920x1080px with a 1360x764px empty space from the top left corner for the video.