#SERR

Live, measured metrics for the hashtag #SERR 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 #serr

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 #serr — $2,449.80/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
3
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 3
0
Avg reactions / post
Mastodon · last 3
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-10-12 06:38 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.online (Mastodon public search API) · fetched 2026-10-12 06:38 UTC
#serre
0 uses · 0 accounts / 7d
#serra
0 uses · 0 accounts / 7d
#serrc
1 uses · 1 accounts / 7d
#Serres
1 uses · 1 accounts / 7d
#serrat
0 uses · 0 accounts / 7d
#serrano
0 uses · 0 accounts / 7d
#SerradaEstrela
2 uses · 2 accounts / 7d
#serrallershospitalet
1 uses · 1 accounts / 7d
#serrallerssants
1 uses · 1 accounts / 7d
#serranoham
0 uses · 0 accounts / 7d
#serrezuela
0 uses · 0 accounts / 7d
#serramenti
1 uses · 1 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-12 06:38 UTC

Everything below is measured over the latest 3 public posts (spanning ~17488 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: Italian (2)

Avg boosts / post: 1.3

Top of the latest posts

  • Dal 18 al 26 novembre torna la settimana europea per la riduzione dei rifiuti, quest'anno dedicata al tema del packaging e degli imballaggi. Iniziative ed eventi... #serr #gestionerifiuti #riciclo #sostenibilità #greenplanner https://www.gr

    GreenPlanner@GreenPlanner@mastodon.uno♥ 0↻ 02023-11-15 10:18 UTCView post →

  • #SERR Restart Party @ Scuola Domenico Folis https://mobilizon.it/events/91b27e3f-6b73-4f93-b7e3-06720e15e5e4 #RestartParty #restarters #righttorepair #riparazione @fridays_for_future_torino @fridaysforfutureitalia

    S.I.E.@sie@mastodon.uno♥ 0↻ 12021-11-16 21:19 UTCView post →

  • #SERR Restart Party @ Scuola Domenico Folis https://mobilizon.it/events/91b27e3f-6b73-4f93-b7e3-06720e15e5e4

    dikdust@dikdust@mobilizon.it♥ 0↻ 32021-11-16 18:11 UTCView post →

What “serr” means

Wikipedia

Serr is a surname. Notable people with this surname include:Jan Serr, American visual artist Michael Serr, German football player

“Serr” on Wikipedia (CC BY-SA) →

#serr across platforms

every network with a public tag surface

Follow #serr 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/serr