#621rule

Live, measured metrics for the hashtag #621rule 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 #621rule

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.

$240.06/ year · 7-character #name
Claim #621rule — $240.06/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
4
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 4
8.8
Avg reactions / post
Mastodon · last 4
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-08-02 18:54 UTC
0
07-27
0
07-28
0
07-29
0
07-30
0
07-31
0
08-01
0
08-02

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 2026-08-02 18:54 UTC

No related tags with measured usage found for #621rule.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-08-02 18:54 UTC

Everything below is measured over the latest 4 public posts (spanning ~19087 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: German (3) · English (1)

Avg boosts / post: 3.3

Top of the latest posts

  • Habe versucht, mit dem Styleguide von https://events.ccc.de/congress/2023/infos/styleguide.html eine Grafik für die #621rule zu machen und mit den gegebenen Farben rumgepixelt. Das Ergebnis wurde bei https://infobeamer.c3voc.de/ akzeptiert

    Pixtxa :blahaj_full:@[email protected]♥ 35↻ 92023-12-30 23:00 UTCView post →

  • Tag 4 (mein Tag 5) der WICMP11 beginnt quasi bereits. Erste Verantwortungen werden um 10 Uhr wieder übernommen. Denkt bitte alle daran, ausreichend zu essen und zu trinken. Immerhin ist das wichtig. #wicmp #wicmp11 #621rule

    Zeroday Podcast (stefan)@[email protected]♥ 0↻ 02026-03-01 08:03 UTCView post →

  • Wir sagen Nein zur 6-2-1 Regel und schlafen weniger als 6 Stunden, essen 3 Mahlzeiten und Duschen 2 mal pro Tag. #37c3 #einNeinFürAlle #621rule

    Nein.@[email protected]♥ 0↻ 42023-12-29 09:41 UTCView post →

What “621rule” means

Wiktionary

rule/ɹuːl/

  • nounA regulation, law, guideline.
Full entry on Wiktionary →

#621rule across platforms

every network with a public tag surface

Follow #621rule 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.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

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/621rule