What signals suggest a community may be abandoned or poorly moderated?

An abandoned or poorly moderated subreddit exhibits a recognizable cluster of symptoms that, when observed together, paint a clear picture of a community running without meaningful oversight. The most obvious signal is content that visibly violates the community's own rules without consequence. If posts in a cooking community regularly contain cryptocurrency promotions, off-topic political arguments, or spam links, and these remain up for days without removal, human moderation has either stopped or never worked properly. Rule violations that generate no mod response are a reliable indicator of absence. Post recency and frequency tell you whether the community is abandoned altogether. A subreddit where the most recent post is weeks or months old, or where submission activity has clearly collapsed compared to what the member count might imply, is in effective abandonment. According to r/NewToReddit discussions on abandoned subreddits, Reddit itself monitors for moderator inactivity and can eventually move to restrict communities where moderation has completely stopped, locking them in restricted mode. A moderator list composed entirely of accounts that have been inactive for extended periods is a direct indicator. Checking moderator profiles for recent activity is straightforward and quick. Another signal is an outdated or empty sidebar description — moderators who have stopped caring about their community typically stop updating its informational resources. AutoModerator rules that reference removed or outdated features, pinned posts that are months or years old, and a community description that does not match the actual content being posted are all signs of neglect. Ironically, a community can appear superficially active — high post frequency, many comments — while still being poorly moderated. This scenario, where content quantity is high but quality is not enforced, manifests as the community filling with spam, brigading posts, rule violations, and low-effort content that a functional mod team would remove. Quality collapse without activity collapse is a distinct but equally problematic form of poor moderation.