#activitiypub
Live, measured metrics for the hashtag #activitiypub from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #activitiypub
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 2026-08-02 20:16 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 2026-08-02 20:16 UTCLive pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-08-02 20:16 UTCEverything below is measured over the latest 33 public posts (spanning ~34762 hours).
Posting hours (UTC) — busiest: 20:00
Languages: English (17) · German (10) · Swedish (1) · Italian (1) · British English (1)
Avg boosts / post: 3.3
Top of the latest posts
What if web-browsers could render the ActivityPub / ActivityStreams JSON-LD source-code into the document it represents? Fediverse clients can do it — why can't browsers? I previously created a small-net / small-web browser client named Spa
My posts on Mastodon say that no one is permitted to quote-boosts my posts — yet I never made that choice. (I'm actually OK with others quote-boosting my posts.) I know enough to be aware this. Most aren't. A very large number of people hav
1/ I have been thinking about how to create a Fediverse Game using the ActivityPub 'Question' object. I have some different ideas, but I think I want to try something simpler and quicker to make first — before attempting a magnum opus 🙂 He
#activitiypub across platforms
every network with a public tag surfaceFollow #activitiypub 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/activitiypub