Ranking signals

The 23 signals that feed the score, with the weight each one carries.

These are the weights the app uses. Positive weights raise a post's score for you and posts like it; negative weights lower it.

Explicit feedback

SignalWeight
Show more+15
Want more+1.5
Want less−1.5
Show less−20
Not interested−50

Engagement

SignalWeight
Share+13
Bookmark+10
Reply+7
Repost+5
Quote+5
Video completed+5
Expand+2
Like+0.5

Attention

SignalWeight
Scrolled back to it+4
Engaged quickly+3
Deep dwell+2
Carousel depth+2
Expanded the comments+1.5
Slow scroll+0.8
Positive dwell+0.5
Fast scroll−0.2
Scrolled past−0.5
Abandoned a reply−0.5
A like is worth 0.5 and a reply is worth 7. That ratio is the whole design: the feed is weighted toward what takes effort, not toward what is cheap to tap.