How Instagram's Early Comment Window Shapes Reel Reach
A reel I posted in March got 412 views in its first hour and stalled at 1,800 lifetime. The next reel, similar topic, similar hook, picked up 11 comments in the first 20 minutes and ended at 94,000 views. Same account, posts three days apart. The difference wasn't the content quality. It was the early conversation. Instagram's ranking system treats comments as a heavier signal than likes because comments cost more effort. A like is a thumb tap. A comment is a sentence, a thought, a willingness to be seen replying. The algorithm reads that effort gap and uses it as a proxy for "is this worth showing to more people." What most creators miss is that the signal isn't just how many comments arrive. It's when they arrive relative to the post going live. The first 30-90 minutes do most of the work Meta hasn't published the exact weighting, but engineers who've reverse-engineered reel distribution (see Hootsuite's 2024 algorithm breakdown and Later...