r/YouShouldKnow has 5.6M members (+2.6% over the last 12 months). It gets about 140 posts a month from 91 people. Top topics: Free Online Courses, Dog Food Safety & Poisonings and YouTube Video Playback Options.
When to post on r/YouShouldKnow
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How r/YouShouldKnow has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/YouShouldKnow
Top topics
Share of the subreddit's posts
- Free Online Courses0.3%
- Dog Food Safety & Poisonings0.2%
- YouTube Video Playback Options0.2%
- Streaming Movies & Shows0.2%
- Google Privacy Tracking0.2%
Brands people mention
Most-mentioned brands and sites, last 12 months
- ScienceDirect
- CDC
- xkcd
- NPR
- Doi
Everything else about r/YouShouldKnow
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research