From when I worked in the video ad industry, the industry standard was that an impression was binary and seeing a single frame of the ad counted. IDK if YouTube

From when I worked in the video ad industry, the industry standard was that an impression was binary and seeing a single frame of the ad counted. IDK if YouTube follows the Interactive Advertising Bureau guidelines, but they probably do. https://learn.microsoft.com/en-us/xandr/industry-reference/impression-counting https://learn.microsoft.com/en-us/xandr/industry-reference/i...