#ucdb
Live, measured metrics for the hashtag #ucdb from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #ucdb
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 2026-10-29 21:59 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 2026-10-29 21:59 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-29 21:59 UTCEverything below is measured over the latest 3 public posts (spanning ~1.9 hours).
Posting hours (UTC)
Languages: German (3)
Avg boosts / post: 3
Used together with
Top of the latest posts
😒 Dann jetzt doch einmal die Definition hier 👇🏼 Ein "urban centre" (also "Stadt" oder hier eher Großstadt) ist in der #UCDB Ein Gebiet aus zusammenhängenden Rasterzellen à 1 km², die alle eine Bevölkerungsdichte von mindestens 1500 Ew/km
@mho Ist das Ruhrgebiet dann eine "Stadt"? #UCDB #Cities25
Also, Interesse ist da 😊 Dann etwas Hintergrund: Vor ein paar Jahren habe ich die Urban Centre Database (#UCDB) entdeckt, dafür werden auf Basis von Erdbeobachtungen konsistente Daten zu Städten gesammelt. D.h. es ist egal, ob sich etwas S
#ucdb across platforms
every network with a public tag surfaceFollow #ucdb 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/ucdb