#activitystreams
Live, measured metrics for the hashtag #activitystreams from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #activitystreams
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 · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 06:52 UTC2 uses by 2 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-27 06:52 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 06:52 UTCEverything below is measured over the latest 40 public posts (spanning ~2027 hours).
Posting hours (UTC) — busiest: 17:00
Languages: English (40)
Avg boosts / post: 3.8
Top of the latest posts
@alineblankertz @malteengeler Regarding the why: When coding Mastodon, Eugen used those parts of the #ActivityPub and #ActivityStreams standards he found useful. For functionality that was not (yet) covered by those standards, he came up wi
On moving an actor's content. 1/ One of the things that comes up on the Fediverse from time to time — is the ability for people to move their accounts. For example, someone started off at: ＠joeblow＠example.com But, now wants to "move" to: ＠
In ActivityPub, these are all equivalent: "type":"Banana" "type":["Banana"] "type":{"＠id":"Banana"} "type":[{"＠id":"Banana"}] "type":{"id":"Banana"} "type":[{"id":"Banana"}] "＠type":"Banana" "＠type":["Banana"] "＠type":{"＠id":"Banana"} "＠typ
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/activitystreams