An independent referenceUpdated Oct 2026
The InstagramAlgorithm Encyclopedia
How Instagram decides what people see, in its own words.
Unofficial. Not affiliated with Instagram or Meta. AI answers from the sources shown.
Most consultedFeedReelsStoriesSearchInstagram Direct
- Sources
- 1,948
- Newest source
- Oct 2026
- Date of the most recent source
Common questions
The verdict first, then what the record says.
- PartlyIs shadowbanning real?Instagram does limit visibility: content can remain on Instagram while being excluded from recommendations or made harder to find in Search. But “shadowbanning” has no shared definition, and Instagram says reach is not guaranteed and denies suppressing content to make creators buy ads. Mosseri acknowledged in February 2025 that “there are some instances where we will limit reach” in recommendations.
- PartlyDo hashtags still help reach?Instagram says relevant trending hashtags on Reels can help you reach people interested in those topics. Mosseri said in May 2024 that hashtags can help interested people find your content, but “they won’t necessarily increase your content’s visibility”.
- YesDoes the time I post matter?Posting time matters, but usually only a little: Instagram includes when a post was published among the things it looks at for Feed ranking, while Mosseri said in June 2026 that timing “doesn't actually affect reach that much”. There is no universal best hour—Mosseri said in June 2026 that the best time “really depends on who follows you,” including their countries and time zones.
- YesDo watermarks from other apps hurt reach?Instagram says another app’s watermark on a reel can limit its reach. The editing app itself is not the problem: Mosseri said in August 2026, “You can make videos wherever you want, and it won't hurt your reach,” adding, “The one thing to avoid is wordmarks from other apps”.
- NoShould I delete and repost a post that flopped?Keep the original up rather than deleting and uploading the same content again: Mosseri said in June 2026, “it'll probably do just like the first post did”. He also warned that people who follow you may have seen both versions and be less likely to interact with the second, potentially hurting its reach.
- It dependsDo sends matter more than likes?It depends on whom you want to reach: Mosseri said in May 2026 that “like rates matter more for your followers, and send rates matter more for those who don't follow you,” confirming his January 2025 distinction that the difference is slight. For videos, neither outranks viewing time: in January 2025, he said “time is the most important for both” audiences. Instagram’s own explanation lists shares and likes alongside watch time, retention and comments as information used to predict which Reels people might enjoy.
- Instagram hasn't saidDoes editing a caption after posting hurt it?Instagram hasn't said in these sources whether editing a caption after posting reduces its reach. Instagram explicitly allows caption edits—including on published Reels—but that does not establish whether editing affects performance.
- It dependsDoes posting too often hurt my reach?Posting more generally helps, but it can hurt if people who follow you feel overwhelmed: Mosseri said in June 2026 that this can mean “less engagement and therefore less reach”. Instagram recommends posting regularly; Mosseri’s January 2025 advice to “prioritize quality over quantity” was refined in August 2025 to finding a frequency that suits your audience and that you can sustain without burning out.