Reddit stats
r/ao3 subreddit stats
Posts, comments, unique posters, link rates, and activity patterns from the last month, updated daily.
Updated . Reporting period: Sep 28, 2026–Oct 28, 2026 (UTC).
From September 28, 2026 to October 28, 2026, 20,240 users on r/ao3 made 3,989 posts and 109,729 comments, or about 130 posts/day and 3,577 comments/day. The subreddit averaged 27.5 comments per post; 32.2% of posts and 2.6% of comments contained links. Its Health Score was 17.8/100, meaning unique posters divided by total posts and comments. The top 1% of users produced 7.6% of posts and 21.7% of comments. Activity is measured in UTC: the most active hour was 18:00 (1.3x avg), the most active day was Thursday (1.2x avg), and normalized weekend volume was 1.03x weekday volume.
Daily activity in r/ao3
Daily totals combine posts and comments, grouped by UTC date. The lighter final bar shows a partial day through Oct 28 at 16:19 UTC.
Activity by day and hour
Each square is one hour, shown in UTC.
The heatmap shows when people post and comment, not when a post is most likely to get clicks or upvotes. Our Reddit posting-time analysis explains how to use activity patterns when planning a post.
Subreddits similar to r/ao3
Discover related Reddit communities by the people who comment in both. These recommendations compare seven days of public comment activity, using a random sample of up to 50,000 commenters for large communities.
| Subreddit | Audience similarity | Shared commenters (est.) |
|---|---|---|
| r/fanfiction | 7.2% | 532 |
| r/archiveofourownmemes | 4.4% | 302 |
| r/proshiphub | 2.8% | 214 |
| r/fanficauthorsunite | 2.3% | 152 |
| r/archiveofourown | 2.1% | 138 |
| r/curatedtumblr | 1.5% | 262 |
| r/recuratedtumblr | 1.3% | 121 |
| r/writers | 1.1% | 117 |
| r/hpfanfiction | 1.1% | 78 |
| r/favoritecharacter | 1.0% | 265 |
Audience similarity is the estimated share of commenters active in both subreddits out of those active in either one. Higher scores mean more audience overlap; they don't measure community quality or subscriber counts.
Calculated . Based on comments from Oct 20 through Oct 26, 2026 (UTC). Results are refreshed after one month.
Last month on Syften
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