#userdb
Live, measured metrics for the hashtag #userdb from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #userdb
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 2026-09-06 08:15 UTC0 uses by 0 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 2026-09-06 08:15 UTCNo related tags with measured usage found for #userdb.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-06 08:15 UTCEverything below is measured over the latest 2 public posts (spanning ~30 hours).
Posting hours (UTC)
Languages: English (2)
Avg boosts / post: 1
Top of the latest posts
#SystemD Adds Optional 'birthDate' Field for #AgeVerification to #JSON User Records "The systemd project merged a pull request adding a new #birthDate field to the JSON user records managed by #userdb in response to the age verification law
Revert "userdb: add birthDate field to JSON user records https://github.com/systemd/systemd/pull/41179 #HackerNews #Revert #userdb #add #birthDate #field #systemd #GitHub #JSON
#userdb across platforms
every network with a public tag surfaceFollow #userdb 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/userdb