The windows that work
| Day | Window (viewer local time) | Notes |
|---|---|---|
| Monday | 11am – 1pm | Lunch-break scrolling |
| Tuesday – Thursday | 11am – 1pm and 7pm – 9pm | Two clear peaks on weekdays |
| Friday | 1pm – 4pm | Attention shifts earlier as the week ends |
| Saturday | 9am – 11am | Highest-volume Shorts day |
| Sunday | 7pm – 9pm | Evening scroll before the week restarts |
Why the Shorts feed changes the maths
A long-form upload gets one big push: notifications, the Subscriptions feed, the home page. If that push lands at 3am, you lose it. A Short is served to a small test audience, measured, then served to a larger one if the swipe-away rate is low. That loop runs continuously, so a Short posted at a bad hour simply starts its testing cycle a bit later.
This is why Shorts sometimes 'wake up' weeks after publication. The feed re-tests old content when a new signal suggests it might land — something that essentially never happens with a poorly performing long-form video.
What actually drives Shorts performance
- 1The first 1-2 seconds. If the opening frame does not stop the swipe, nothing else matters.
- 2Loop quality. Shorts that end where they began get counted as replays, which inflates viewed-vs-swiped ratios.
- 3Duration discipline. A 20-second Short that holds 90% beats a 55-second Short that holds 40%.
- 4Frequency. Multiple Shorts per week give the feed more chances to find your audience.
- 5Hook text on screen. Readable in under a second, no more than six words.
Should you post Shorts and long-form on the same day?
It is fine, and often useful — a Short published a few hours after a long-form video can act as a trailer. The old worry about Shorts 'cannibalising' long-form watch time has not held up: they are distributed by separate surfaces and measured separately in Analytics.
What does hurt is a mismatch in audience. If your Shorts pull a completely different viewer than your long-form content, your subscriber growth will not translate into long-form views. Check the 'Shorts viewers who watched your long-form' figure in the Audience tab before scaling up.
How to find your own window
- 1Open Studio, Analytics, Audience, and read the activity heatmap.
- 2Post Shorts one hour before the darkest block for two weeks.
- 3Compare median 48-hour views, not 24-hour — Shorts ramp more slowly.
- 4If the difference is under 15%, stop optimising time and start testing hooks.
Shorts reward volume. Generate a batch of hook-first ideas in your niche in a few seconds.
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