The perfect video length is whatever keeps the promise you opened with — here is what 650 campaigns say.
The short version
The perfect video length is whatever keeps the promise you opened with — here is what 650 campaigns say. This guide skips the theory and keeps what has worked across hundreds of shipped campaigns.
Points worth stealing
- Retention cliffs cluster at 0:09, 0:42 and 1:50 — plan beats around them
- 60–90 seconds remains the conversion sweet spot for landing pages
- Social cutdowns win at 15–30 seconds regardless of source length
- Two-minute videos work when priced like content, not ads
- Watch time spreads at the end matter less than the first beat
What we measured
71% — of viewers who pass second 9 will finish a well-structured 75-second explainer.
One last thing
Earn seconds 0–9 and the length question answers itself.
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