#notdef

Live, measured metrics for the hashtag #notdef 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 #notdef

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.

$520.70/ year · 6-character #name
Claim #notdef — $520.70/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 2026-07-29 18:50 UTC
0
07-23
0
07-24
0
07-25
0
07-26
0
07-27
0
07-28
0
07-29

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 2026-07-29 18:50 UTC
#notdefenestration
0 uses · 0 accounts / 7d
#notdefamation
0 uses · 0 accounts / 7d
#notdeft
0 uses · 0 accounts / 7d
#notdefiningfuture
0 uses · 0 accounts / 7d
#notdefended
0 uses · 0 accounts / 7d
#notdefeated
0 uses · 0 accounts / 7d
#notdefinedbyparenthood
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-29 18:50 UTC

Everything below is measured over the latest 2 public posts (spanning ~3158 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: English (2)

Avg boosts / post: 0

Top of the latest posts

  • I was thinking in changing the .notdef logo in the same Font to "No Tengwa" Who knows the name of the Font? Thanks! 😎 👍 #tengwa #tolkien #notdef

    e_kloczko@[email protected]♥ 0↻ 02025-05-02 13:54 UTCView post →

  • 🍒 About .notdef: the symbol (not emoji!) that is often an “X” inside a tall rectangle by Thomas Phinney, Font Detective @tphinney.typo.social #Typography #WebFonts #ThomasPhinney #notdef https://www.thomasphinney.com/2024/12/notdef-emoji-s

    pablolarah@[email protected]♥ 0↻ 02024-12-21 23:25 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/notdef