#citadel

Live, measured metrics for the hashtag #citadel 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 #citadel

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 #citadel — $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
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.5
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-11-02 13:56 UTC
0
10-27
0
10-28
0
10-29
0
10-30
0
10-31
0
11-01
0
11-02

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 2026-11-02 13:56 UTC
#citadelle
2 uses · 2 accounts / 7d
#citadeldia
5 uses · 5 accounts / 7d
#citadelmall
1 uses · 1 accounts / 7d
#citadelum
0 uses · 0 accounts / 7d
#TheCitadel
0 uses · 0 accounts / 7d
#citadelledelille
0 uses · 0 accounts / 7d
#citadelpaints
0 uses · 0 accounts / 7d
#citadelsecurities
0 uses · 0 accounts / 7d
#citadelkrane
0 uses · 0 accounts / 7d
#citadelux
0 uses · 0 accounts / 7d
#AleppoCitadel
0 uses · 0 accounts / 7d
#citadelprogramme
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-11-02 13:56 UTC

Everything below is measured over the latest 40 public posts (spanning ~3977 hours).

Posting hours (UTC) — busiest: 13:00

00:0012:0023:00

Languages: English (28) · Spanish (2) · German (1) · French (1)

Avg boosts / post: 0.7

Top of the latest posts

  • falling behind on my Citadel-86 posting got really sick and injured last winter, i wanted to get more involved in local ICE resistance activities, but spreading disease among rapid response seemed like a bad move so i once again got nice an

    (ノಠ益ಠ)ノ彡 ᖇETᖇO ᖇOᗩᗪKIᒪᒪ (ʘ言ʘ╬)@[email protected]♥ 12↻ 42026-09-08 01:14 UTCView post →

  • okay the "talker" style chat i wrote as a Java noob in ~2004 is now deployed, access via ssh to [email protected] enjoy the jank 🫡 #retrocomputing #BBS #Citadel #Citadel86

    (ノಠ益ಠ)ノ彡 ᖇETᖇO ᖇOᗩᗪKIᒪᒪ (ʘ言ʘ╬)@[email protected]♥ 4↻ 42026-09-13 23:39 UTCView post →

  • Geekly Weekly Digest #352 May 3 - 9 A weekly Pop Culture Ranking with Full Rankings at http://www.99geek.ca and no pay wall! NEW RELEASES #DaredevilBornAgain #StarWars #MaulShadowLord #ReadyOrNot #TheBoys #Citadel NEXT WEEK #ProjectHailMary

    Andrew Geczy@[email protected]♥ 1↻ 12026-05-10 21:20 UTCView post →

What “citadel” means

Wiktionary · Wikipedia

citadel/ˈsɪtədəl/

  • nounA strong fortress that sits high above a city.
Full entry on Wiktionary →

A citadel is the most fortified area of a town or city. It may be a castle, fortress, or fortified center. The term is a diminutive of city, meaning "little city", because it is a smaller part of the city of which it is the defensive core.

“Citadel” on Wikipedia (CC BY-SA) →

#citadel across platforms

every network with a public tag surface

Follow #citadel 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/citadel