Hook Rate
The share of viewers who watch past the first few seconds — a direct measure of how well your hook works.
Hook rate is the percentage of people who keep watching past the opening seconds (often measured at the 3-second mark) rather than scrolling on. A low hook rate means the intro isn't landing, no matter how good the rest of the clip is.
It's the first metric to optimize, because nothing downstream matters if viewers never get past the hook.
Keep reading.
Hook
The first one to three seconds of a video that stop the scroll and earn the next few seconds of attention.
Read →Retention (Watch Time)
How much of a video viewers actually watch — the metric short-form algorithms weight most heavily.
Read →Completion Rate
The percentage of viewers who watch a clip all the way to the end (and often loop it).
Read →Virality Score
An AI prediction (often 0–100) of how likely a clip is to perform, based on hook, pacing and retention signals.
Read →Stop reading, start posting.
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