#birthday
Live, measured metrics for the hashtag #birthday from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #birthday
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 2026-09-07 22:58 UTC148 uses by 51 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 2026-09-07 22:58 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-09-07 22:58 UTCEverything below is measured over the latest 40 public posts (spanning ~34 hours).
Posting hours (UTC) — busiest: 08:00
Languages: French (29) · English (8) · German (3)
Avg boosts / post: 0.3
Top of the latest posts
@sinituulia My #birthday too! Let’s enjoy!
#TheMetalDogArticleList #MetalHeadZone Roger Waters Turns 83: Pink Floyd Shares Shocking Official Birthday Message https://metalheadzone.com/roger-waters-turns-83-pink-floyd-shares-shocking-official-birthday-message/ #RogerWaters #PinkFloyd
Dans Yuru Yuri, l'anniversaire de Sakurako Ômuro tombe le 7 septembre #birthday
What “birthday” means
Wiktionary · Wikipediabirthday/ˈbɜːθ.deɪ/
- nounThe anniversary of the day on which someone is born.
- verbTo celebrate one's birthday.
A birthday is the anniversary of the birth of a person or the figurative birth of an institution. Birthdays of people are celebrated in numerous cultures, often with birthday gifts, birthday cards, a birthday party, or a rite of passage.
“Birthday” on Wikipedia (CC BY-SA) →#birthday across platforms
every network with a public tag surfaceFollow #birthday 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/birthday