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The TikTok Algorithm in 2026: What Actually Works Now

February 10, 2026 7 min read

TikTok's 2026 algorithm rewards engagement-per-second, not raw views. We benchmarked 240 viral posts to reverse-engineer what the FYP wants in 2026.

The 4 signals TikTok ranks above all else

  1. Completion rate — % of viewers who watch to the end.
  2. Re-watches — viewers who loop the video twice.
  3. Shares — outbound shares to other platforms or DMs.
  4. Comment depth — replies, not just likes.

How to engineer each signal

Completion: open mid-action, hide the payoff until the last 2 seconds. Use the patterns from viral TikTok hooks that work.

Re-watches: add 1-2 frames of visual detail viewers will miss the first time.

Shares: design the post to be useful out of context — a meme, a tip, a transformation.

Comments: end with a question, not a CTA.

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