Trending Topics on Substack Newsletters
Discover the latest trending topics tracked across Substack newsletters.
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What are the most popular topics on Substack?
We track trending topics across Substack newsletters by scanning their RSS feeds. Topics are ranked by total mentions and growth velocity.
How is Substack data different from overall trends?
This page shows trends exclusively from newsletters hosted on Substack. The overall trending page aggregates data from all newsletter platforms we track.
What do the growth metrics mean?
Growth rate compares mentions in the last 30 days vs. the prior 30 days. Velocity measures 7-day acceleration. "Exploding Growth" means a topic is surging rapidly.
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