#hashtagiversary

Live, measured metrics for the hashtag #hashtagiversary from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #hashtagiversary

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.

$5.00/ year · 15-character #name
Claim #hashtagiversary — $5.00/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
5
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 5
0.6
Avg reactions / post
Mastodon · last 5

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-30 04:58 UTC
0
07-24
0
07-25
0
07-26
0
07-27
0
07-28
0
07-29
0
07-30

0 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 2026-07-30 04:58 UTC

No related tags with measured usage found for #hashtagiversary.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-30 04:58 UTC

Everything below is measured over the latest 5 public posts (spanning ~17601 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: English (5)

Avg boosts / post: 6.6

Used together with

#idemandhashtags ×1

Top of the latest posts

  • Awesome #hashtagiversary birthday gift from Julius Moorman. [On this date, 18 years ago, I published the blog post that defined how hashtags should work. 🤓] Why Twitter hates the #hashtag

    Chris Messina@[email protected]♥ 1↻ 32025-08-26 00:56 UTCView post →

  • Happy #Hashtagiversary! Today is the hashtag's 17th birthday! 🎂 One more year and it'll be able to: 🗳️ Vote in elections 🪖 Join the military 🩸 Donate blood and become an organ donor 👔 Work full-time without restrictions 🎟️ Purchase lo

    Chris Messina@[email protected]♥ 1↻ 92024-08-23 21:58 UTCView post →

  • Happy 16th #hashtagiversary! The humble hashtag turns old enough to drive today! 🎂 Here's my proposal that kicked it off. Some of the ideas in here have still never been built by a mainstream social media platform. 😬 https://J.mp/tagchann

    Chris Messina@[email protected]♥ 1↻ 182023-08-23 15:39 UTCView post →

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/hashtagiversary