How Does the TikTok Algorithm Work?
TikTok's For You page is shaped more by behavioral signals than by who you follow, which is part of why new accounts can grow fast.
Watch Time and Rewatches
A video being watched to completion, or rewatched, is one of the algorithm's strongest signals. Short videos with high completion rates get distributed more than long ones people abandon halfway.
Early Performance
TikTok first shows a video to a small test audience; if the response is good, it opens it up to a wider audience. That's why the first 1-2 hours after posting are critical.
Niche Consistency
Consistently posting around the same topic makes it easier for TikTok to match your account with a specific audience.
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