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Sure! Here's a detailed breakdown of how commenting on TikTok shapes your FYP — a bit more readable as structured paragraphs rather than one giant block.
TikTok's For You Page (FYP) is powered by a recommendation algorithm that tracks every interaction you have on the app — and comments are one of the strongest signals it uses. When you comment on a video, you're telling the algorithm, "I engaged with this content beyond just watching it." That's a much heavier vote of interest than a like, a share, or even completing the video. The algorithm notices which videos you comment on, what you say, and crucially, what other videos those comments lead you to.
Here's the mechanism. When you type out a comment, you're spending extra time on that video page. TikTok's algorithm treats dwell time — how long you stay on a specific piece of content — as a major ranking factor. A quick scroll-and-like might signal mild interest, but stopping to write a comment signals deep engagement. The longer you stay, the more the algorithm weighs that video's topic, creator, audio, caption keywords, and hashtags as relevant to your interests. Over time, it starts serving you more videos in that same niche, by that same creator, or using that same audio.
But the effect goes beyond dwell time. TikTok also analyzes the text of your comments. If you comment "this cat is so fluffy" on a cat video, the algorithm indexes those keywords and may begin showing you more cat content, more fluffy animal content, or even more videos by that specific creator. This is why you'll sometimes comment something random and then notice your FYP shifting in that direction within a day or two. The algorithm isn't reading your comment for sentiment or sarcasm — it's scanning for topic keywords and treating them as explicit interest signals.
There's also a social layer. When you comment, you're more likely to check back for replies or likes on your comment. That means multiple return visits to the same video or the same creator's page, which generates even more engagement data. Each time you come back, the algorithm reinforces that
2026-06-20 23:11:17