#fast

Live, measured metrics for the hashtag #fast 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 #fast

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.

$2,449.80/ year · 4-character #name
Claim #fast — $2,449.80/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
6
Uses / 7 days
Mastodon
6
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0.1/hr
Recent pace
Mastodon · last 40
0.1
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 2026-10-19 04:14 UTC
0
10-13
2
10-14
1
10-15
1
10-16
2
10-17
0
10-18
0
10-19

6 uses by 6 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 2026-10-19 04:14 UTC
#fastfood
24 uses · 24 accounts / 7d
#FastRadioBurst
0 uses · 0 accounts / 7d
#fastapi
14 uses · 11 accounts / 7d
#FastPair
1 uses · 1 accounts / 7d
#fastmail
13 uses · 10 accounts / 7d
#FastFacts
1 uses · 1 accounts / 7d
#fastCars
0 uses · 0 accounts / 7d
#FastTalker
0 uses · 0 accounts / 7d
#faster
1 uses · 1 accounts / 7d
#fast_casual
0 uses · 0 accounts / 7d
#fast_furious
0 uses · 0 accounts / 7d
#fasting
2 uses · 2 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-19 04:14 UTC

Everything below is measured over the latest 40 public posts (spanning ~739 hours).

Posting hours (UTC) — busiest: 11:00

00:0012:0023:00

Languages: English (38) · Spanish (1) · German (1)

Avg boosts / post: 0.9

Top of the latest posts

  • Paid peer review is not science fiction! As part of the preLights community I was able to join the #Fast&Fair initiative from Biology Open (@Co_Biologists). The initiative compensates reviewers who submit a high quality peer review in a tim

    Jonathan Townson@[email protected]♥ 2↻ 42026-09-28 14:02 UTCView post →

  • China's #FAST radio telescope discovers over 1,300 pulsars in decade of operation: https://english.news.cn/20260924/951e73b5b182402689a0e32901a7bfe3/c.html - this is outnumbering the total pulsar discoveries made by all other international

    Daniel Fischer@[email protected]♥ 1↻ 32026-09-24 18:18 UTCView post →

  • Ford Focus RS WRC 09, WRC Motorsport Rally Car Portugal 2010 Motorsports photography. ... ArtPrint here: https://fineartamerica.com/featured/wrc-motosport-rally-car-portugal-2010-marco-sales.html #sportscar #fast #dirt #background #motor #W

    Marco Sales Photography@[email protected]♥ 1↻ 82026-09-24 11:57 UTCView post →

What “fast” means

Wiktionary

fast/fɑːst/

  • nounA train that calls at only some stations it passes between its origin and destination, typically just the principal stations
  • adjectiveFirmly or securely fixed in place; stable.
Full entry on Wiktionary →

#fast across platforms

every network with a public tag surface

Follow #fast 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/fast