#hashtag

Live, measured metrics for the hashtag #hashtag 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 #hashtag

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 #hashtag — $240.06/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
19
Uses / 7 days
Mastodon
17
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0.1/hr
Recent pace
Mastodon · last 40
0.2
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-10-08 22:40 UTC
5
10-02
3
10-03
3
10-04
3
10-05
1
10-06
2
10-07
2
10-08

19 uses by 17 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.online (Mastodon public search API) · fetched 2026-10-08 22:40 UTC

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-08 22:40 UTC

Everything below is measured over the latest 40 public posts (spanning ~397 hours).

Posting hours (UTC) — busiest: 07:00

00:0012:0023:00

Languages: English (31) · German (3) · Dutch (2) · Spanish (1) · Arabic (1)

Avg boosts / post: 0.9

Top of the latest posts

  • Und was sind dann #Hashtag-Kanäle? Da steht auch, dass jeder das kann, aber man wieder so einen Schlüssel braucht, und ich offensichtlich versehentlich einen erstellt habe... Also benutzerfreundlich geht anders... #MeshCore

    🏳️‍🌈 | Schenkl | 🦄@schenklklopfer@chaos.social♥ 2↻ 02026-10-05 04:44 UTCView post →
  • Does anyone know if (in the Steam backend) there's a way to specify a launch option like 'use this one for Steam Deck' when you have multiple, rather than users being shown the launch options by default? #steam #indiedev #captainclueless #h

    PsychicParrot 🦜 (Jeff) 😷@psychicparrot42@mastodon.gamedev.place♥ 1↻ 72026-10-05 17:44 UTCView post →
  • Later today on #hashtag #BaroqueSun 4:30pmPT/7:30pmET/2:30amMCET @MatthewTitus88 has an hour of baroque music with Janine Jansen playing Vivaldi's 4 seasons (Scary, Posh, and the others?) and Telemann here's the link! https://www.youtube.co

    otheorange_tag@otheorange_tag@mstdn.social♥ 1↻ 32026-10-04 19:17 UTCView post →

What “hashtag” means

Wiktionary · Wikipedia

hashtag/ˈhæʃˌtæɡ/

  • nounA metadata tag, signaled by a preceding hash sign (#), used to label content.
  • verbTo label (a message) with a hashtag.
Full entry on Wiktionary →

A hashtag is a metadata tag operator that is prefaced by the hash symbol, #. On social media, hashtags are used on microblogging and photo-sharing services–especially Twitter and Tumblr–as a form of user-generated tagging that enables cross-referencing of content by topic or theme. For example, a search within Instagram for the hashtag #flowers returns all posts that have been tagged with that term. After the initial hash symbol, a hashtag may include letters, numerals or other punctuation.

“Hashtag” on Wikipedia (CC BY-SA) →

#hashtag across platforms

every network with a public tag surface

Follow #hashtag 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.

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/hashtag