#worldcon
Live, measured metrics for the hashtag #worldcon from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #worldcon
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 · mastodon.online (Mastodon public tags API) · fetched 2026-09-28 05:01 UTC1 uses by 1 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-09-28 05:01 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-09-28 05:01 UTCEverything below is measured over the latest 40 public posts (spanning ~529 hours).
Posting hours (UTC) — busiest: 00:00
Languages: English (34) · German (5) · American English (1)
Avg boosts / post: 0.8
Top of the latest posts
Imagine my surprise at learning there was a #COVID outbreak at #WorldCon. Who could possibly have anticipated that. Just saw someone I love and respect posting about how she really hopes she didn't catch it there, since she's already had it
Happy 60th Birthday, Star Trek! Celebrating a show that was the entrée for many of us into SFF fandom. 🖖 #StarTrek #StarTrekDay #Worldcon #Brisbane #HugoAwards #SFF #ScienceFiction #Fantasy
Thoughts post-WorldCon, by Micaiah Johnson to go along with a Bluesky thread by John Scalzi. All boil down to "do not be an asshole, and most people will not be an asshole to you in return." #WorldCon #Writing #Publishing The post: https://
What “worldcon” means
WikipediaThe World Science Fiction Convention, branded as Worldcon, is a science fiction convention and the annual convention of the World Science Fiction Society (WSFS). It has been held each year since 1939. The members of each Worldcon are the members of WSFS, and vote both to select the site of the Worldcon two years later, and to select the winners of the annual Hugo Awards, which are presented at each convention.
“Worldcon” on Wikipedia (CC BY-SA) →#worldcon across platforms
every network with a public tag surfaceFollow #worldcon 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/worldcon