Verified75% confidenceFactTime unknown
The algorithms of short-video platforms such as YouTube Shorts, TikTok, and Instagram Reels generally favor content between 15 and 60 seconds, with completion rate being one of the core ranking metrics.
3
Sources
75%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedIn the A/B testing case demonstrated by YouTube, the two versions of the video were 17 minutes and 19 minutes long respectively.72% similarUnverified轮询间隔的选择存在响应延迟与服务端负载之间的权衡，15秒被认为是视频生成场景的合理折中点72% similarUnverified2分钟以内的内容在短视频平台上的平均完播率比3分钟以上的内容高出约40%71% similarUnverifiedAfter setting the VRAM headroom, the standard deviation of per-segment video generation time dropped from 1.62 to 0.11, and the worst-case outliers fell from 21–25 seconds to 15.73 seconds.71% similarUnverifiedThe drop-off rate during the first 1–3 seconds of short videos is the highest of any time segment.69% similar
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