There is no single Instagram algorithm. Each part of the app (Feed, Stories, Reels, Explore) uses its own ranking based on what each person is likely to enjoy.
What Instagram looks at
- Your activity: what you like, save, share and watch.
- Your relationship with the account: do you interact with them often?
- The post itself: how quickly and strongly people engage.
- The poster: how people have interacted with them recently.
Signals that matter most
| Surface | Important signals |
|---|---|
| Feed | Likes, comments, saves, time spent |
| Reels | Watch time, rewatches, shares, likes |
| Stories | Views, replies, taps through |
| Explore | Interest in similar content |
Instagram has said that sends (shares by DM) are a strong signal for reaching new people.
What this means for you
- Make content people want to save or share: tips, checklists, relatable moments.
- Hook viewers in the first seconds of reels.
- Reply to comments and DMs to build relationships.
- Post consistently when your audience is active; see our best time to post tool.
What does not help
- Engagement pods and buying followers.
- Reposting content with other apps’ watermarks.
- Hashtag stuffing.
Track progress with our engagement rate calculator.
Want the full picture? This article is part of Social media marketing: the complete guide, our in-depth guide with everything in one place.
