r/Mastodon↗
Mastodon Social
Hello! This unofficial subreddit is for discussing the open source Mastodon project. Discussions of the ActivityPub protocol and Fediverse network are also welcome when related to Mastodon.
40k subscribers22 posts / mo in Sep 202621 authors / mosince 2010
r/Mastodon has 40k members (+9.6% over the last 12 months). It gets about 22 posts a month from 21 people. Top topics: Bluesky Social Media, Instagram Followers Management and Imgur Issues.
When to post on r/Mastodon
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How r/Mastodon has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Mastodon
Top topics
Share of the subreddit's posts
- Bluesky Social Media1.0%
- Instagram Followers Management0.9%
- Imgur Issues0.6%
- RSS Readers & News Apps0.5%
- Server Discussion0.5%
Brands people mention
Most-mentioned brands and sites, last 12 months
Posting rules for r/Mastodon
Which post types r/Mastodon allows, the karma and account age it asks for, required flair, and every community rule — read from Reddit.
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How often posts get removed on r/Mastodon
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What works on r/Mastodon
Title and body length that does well on r/Mastodon, and its mix of text posts, links, images, galleries and video.
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Who posts on r/Mastodon
Gender and age of the people who write on r/Mastodon, the countries and US states they live in, their jobs, and whether a few regulars carry the conversation.
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What people ask for on r/Mastodon
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Subreddits like r/Mastodon
Communities that share topics, members or crossposts with r/Mastodon.
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See all of r/Mastodon
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research