#rule4
Live, measured metrics for the hashtag #rule4 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #rule4
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mas.to (Mastodon public tags API) · fetched 2026-11-08 00:05 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mas.to (Mastodon public search API) · fetched 2026-11-08 00:05 UTCLive pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-11-08 00:05 UTCEverything below is measured over the latest 2 public posts (spanning ~31467 hours).
Posting hours (UTC)
Languages: English (2)
Avg boosts / post: 1.5
Top of the latest posts
What a spectacular turn out for #BSidesBoulder26 event! A special thanks to our sponsors and community partners. #TenEleven #Rule4 #MaterialSecurity #Scanner #SytheLabs #MentalHealthHackers #BoulderFood&Rescue Check your email for CPE credi
Since joining this place, I'm very happy to see that Rule 4 has been closely followed by most if not all of you.#Rule4 rules!
What “rule4” means
Wiktionary#rule4 across platforms
every network with a public tag surfaceFollow #rule4 straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/rule4