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From what I’m seeing, TikTok still weighs watch time and completion rate heavily. Early engagement after posting matters a lot too. Relevance tags and niche interest signals help the algorithm decide who sees it next. Consistent posting and strong first few seconds also seem to boost delivery.
 
Watch time and completion of content viewing are important factors. Interactions such as likes, comments, and saves are also very important.
 
In 2025, TikTok’s algorithm is influenced by user interactions such as watch time, likes, comments, shares, and saves, along with video completion rate, content relevance, posting consistency, sound and hashtag usage, and how quickly a video generates authentic engagement after posting.
 
Geo Location and Simcard. There are many threads here on Blackhatworld that go over this.
 
TikTok’s 2025 algorithm is driven by user interactions, watch time, and engagement video details like captions hashtags sounds and content relevance also play a key role
 
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