#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
7
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 7
5.9
Avg reactions / post
Mastodon · last 7
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-10-12 12:11 UTC
0
10-06
0
10-07
0
10-08
0
10-09
0
10-10
0
10-11
0
10-12

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.social (Mastodon public search API) · fetched 2026-10-12 12:11 UTC

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

Live pulse

measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-12 12:11 UTC

Everything below is measured over the latest 7 public posts (spanning ~19087 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: German (4) · English (2)

Avg boosts / post: 2.1

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:@Pixtxa@chaos.social♥ 35↻ 92023-12-30 23:00 UTCView post →

  • on the ICE 621, please remember the 6-2-1 rule: 6 lufthansa stops 2 zugteile 1 kopfmachen #railbowLeaks #39c3 #621rule @lenaontrans https://zug.network/@lenaontrans/115808408041979904

    Lena Sophie Aisling :cnl: niet :vectrainready:@vias_lena@zug.network♥ 3↻ 02025-12-30 15:02 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.@c3nein@chaos.social♥ 3↻ 52023-12-29 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