#h21

Live, measured metrics for the hashtag #h21 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 #h21

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.

$5,313.74/ year · 3-character #name
Claim #h21 — $5,313.74/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
2
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 2
0
Avg reactions / post
Mastodon · last 2

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 23:10 UTC
0
07-22
0
07-23
0
07-24
0
07-25
0
07-26
0
07-27
0
07-28

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 2026-07-28 23:10 UTC
#seance21h
14 uses · 13 accounts / 7d
#LeJournalDe21h
0 uses · 0 accounts / 7d
#to21h
0 uses · 0 accounts / 7d
#noveladas21h
0 uses · 0 accounts / 7d
#docu21h
0 uses · 0 accounts / 7d
#01h841gj8pjh21pxy64231cfhb
0 uses · 0 accounts / 7d
#cine21h
0 uses · 0 accounts / 7d
#série21h
0 uses · 0 accounts / 7d
#windows10version21h1
0 uses · 0 accounts / 7d
#24D21hApagaLaTV
0 uses · 0 accounts / 7d
#BellaCiao21h
0 uses · 0 accounts / 7d
#cacerolada21h
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 23:10 UTC

Everything below is measured over the latest 2 public posts (spanning ~18494 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: English (2)

Avg boosts / post: 0.5

Top of the latest posts

  • Tonight (8/06/2025 at 6pm EDT) we're going to chat about the H21 Sneak Peak video that was released on Monday. I'm sure you've seen and heard about it by now, but if you want some more analysis of the video come join us! https://youtu.be/aq

    Houdini Hangout@[email protected]♥ 0↻ 12025-08-06 13:46 UTCView post →

  • #TheMetalDogArticleList #MetalInjection AMARANTHE Unveils New Vocalist On "Damnation Flame" Their take on "modern melodic metal." https://metalinjection.net/video/amaranthe-unveils-new-vocalist-on-damnation-flame #Amaranthe #DamnationFlame

    🤘 The Metal Dog 🤘@[email protected]♥ 0↻ 02023-06-28 00:13 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/h21