Completion rate
Completion rate is the share of viewers who watch a video to the end.
It rewards tight scripts: one point, no repetition, a clear ending. For business videos, put the call to action before the last second so viewers who complete it also hear it.
Related terms
Watch time — Watch time is how long viewers spend watching a video, in total or on average — one of the strongest signals short-video platforms use to decide who else sees it.
Hook rate — Hook rate is the share of people who keep watching past the first few seconds of a video — commonly 3-second views divided by impressions.