#postcards
Live, measured metrics for the hashtag #postcards from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #postcards
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 2026-09-15 23:29 UTC22 uses by 14 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 2026-09-15 23:29 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-15 23:29 UTCEverything below is measured over the latest 40 public posts (spanning ~408 hours).
Posting hours (UTC) — busiest: 17:00
Languages: English (13)
Avg boosts / post: 0.8
Top of the latest posts
1907 Labor Day Postcard . #LaborDay #Postcards #Ephemera
OMG my latest #Postcard From The Internet came from @HiMYSYeD, who turns out to be a real life LABYRINTH ARTIST. Super cool. 🔗 More: https://danq.me/postcards-and-labyrinths #postcards #labyrinth #labyrinths #art
1911 New York, Brooklyn, Subway Postcard . #NewYorkCity #NewYork #Travel #Subway #Trains #Ephemera #Postcards
What “postcards” means
Wiktionary · Wikipediapostcards
- nounA rectangular piece of thick paper or thin cardboard intended to be written on and mailed without an envelope. In the case of a picture postcard one side carries a picture or photograph.
A postcard or post card is a piece of thick paper or thin cardboard, typically rectangular, intended for writing and mailing without an envelope. Non-rectangular shapes may also be used but are rare.
“Postcard” on Wikipedia (CC BY-SA) →#postcards across platforms
every network with a public tag surfaceFollow #postcards 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/postcards