#serendipity

Live, measured metrics for the hashtag #serendipity 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 #serendipity

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.

$10.85/ year · 11-character #name
Claim #serendipity$10.85/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
3
Uses / 7 days
Mastodon
3
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
3.5
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 2026-09-10 18:23 UTC
0
09-04
1
09-05
1
09-06
0
09-07
0
09-08
1
09-09
0
09-10

3 uses by 3 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 2026-09-10 18:23 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-10 18:23 UTC

Everything below is measured over the latest 40 public posts (spanning ~64289 hours).

Posting hours (UTC) — busiest: 16:00

00:0012:0023:00

Languages: English (34) · German (2)

Avg boosts / post: 4.1

Top of the latest posts

  • From a couple of weeks ago, I was sitting outside enjoying the sunset and after the sky colors faded I got out my longer lens & started taking photos of the crescent #moon. As soon as I started snapping I saw some objects flying through the

    Trilobyter@[email protected]1211042026-06-09 11:30 UTCView post →
  • In a wonderful act of serendipity, it seems my phone is inviting me to boop Mabel's nose to login.... #Serendipity #DogsOfMastodon Reposted with corrected typos.

    Ordinary Wax 🇪🇺 :linux: :kdenew:@Kneewax1682026-08-29 06:40 UTCView post →
  • Nobody Expected Wings I was hunting something else entirely — camera ready, eyes trained on a completely different corner of the garden — when this one simply landed in front of me and ruined my plans. That's the thing about chasing subject

    d-max@[email protected]1132026-08-20 22:40 UTCView post →

What “serendipity” means

Wiktionary · Wikipedia

serendipity/ˌsɛ.ɹən.ˈdɪ.pɪ.ti/

  • nounA combination of events which have come together by chance to make a surprisingly good or wonderful outcome.
Full entry on Wiktionary →

Serendipity is an unplanned fortunate discovery. The term was coined by Horace Walpole in 1754, after he read a Persian fairy tale called The Three Princes of Serendip, whose heroes constantly made lucky discoveries.

Serendipity” on Wikipedia (CC BY-SA) →

#serendipity across platforms

every network with a public tag surface

Follow #serendipity 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/serendipity