#FirstContactDay
Live, measured metrics for the hashtag #FirstContactDay from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #firstcontactday
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 2026-09-30 18:25 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 2026-09-30 18:25 UTCLive pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-09-30 18:25 UTCEverything below is measured over the latest 40 public posts (spanning ~42 hours).
Posting hours (UTC) — busiest: 13:00
Languages: English (30) · Spanish (2) · German (2) · Catalan (1) · French (1) · Italian (1)
Avg boosts / post: 1.6
Top of the latest posts
Happy First Contact Day !! #StarTrek #FirstContactDay #WarpDrive #Trek https://www.startrek.com/news/origin-of-first-contact-day-explained
Happy First Contact Day . #StarTrek #FirstContactDay
Happy First Contact Day! Only one option of film here tonight. Btw, anyone else wish Artemis II launched just 3 days later? #StarTrek #FirstContactDay
#firstcontactday across platforms
every network with a public tag surfaceFollow #firstcontactday 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/firstcontactday