Descriptions of the length of online videos. Shortform videos are under 10 minutes and longform videos are over 10 minutes.
- Some ad formats are more effective depending on the length of video where they appear. Depending on the ad format you choose, your ad may appear in either short- or longform videos, or both.
- If your ad is a video itself, you'll be able to review metrics to see how your video performs at different points in time after the viewer begins to play your video.