[KongchangAI]
Expired50% confidenceDecision RuleExact time

Cover images are recommended to use a 3:4 or 4:3 ratio to fit most platforms; Bilibili's video list page displays covers in a wide 16:9 format, while Xiaohongshu's waterfall feed is dominated by the vertical 3:4 format.

1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/21/2026
First Seen

This claim has expired. It is kept for the record and no longer describes the current state.

Valid until: 10/19/2026(expired)

Sources

Open-Source Multi-Platform Auto-Publishing Skill: How AI Is Freeing Content Creators from Repetitive Busywork

Related Claims

UnverifiedIt is recommended to use a 3:4 or 4:3 aspect ratio for cover images to accommodate the cover specifications of most platforms.84% similarUnverifiedXiaohongshu's feed uses a two-column waterfall layout, where a 3:4 or 1:1 ratio can achieve a larger display area within the feed.65% similar

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