#briefkaarten

Live, measured metrics for the hashtag #briefkaarten 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 #briefkaarten

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.

$5.00/ year · 12-character #name
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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
Avg reactions / post
Mastodon · last 40

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 21:03 UTC
0
07-22
0
07-23
0
07-24
0
07-25
0
07-26
0
07-27
0
07-28

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 2026-07-28 21:03 UTC

No related tags with measured usage found for #briefkaarten.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 21:03 UTC

Everything below is measured over the latest 40 public posts (spanning ~9001 hours).

Posting hours (UTC) — busiest: 10:00

00:0012:0023:00

Languages: English (35) · Dutch (5)

Avg boosts / post: 0.2

Top of the latest posts

  • Le Vieux Tilleul, Bruxelles-Laeken, 1912 - Nels CPA https://www.delcampe.net/en_GB/collectables/postcards/belgium/laeken/le-vieux-tilleul-bruxelles-laeken-1912-nels-cpa-2033253473.html #Bruxelles #Brussel #Brussels #Laeken #ThickTrunkTuesda

    Cornovia Postcards (Old)@[email protected]♥ 1↻ 02024-05-21 14:58 UTCView post →

  • Crooswijkschesingel, Rotterdam, c.1910 - Lammerse Briefkaart https://www.ebid.net/uk/for-sale/crooswijkschesingel-rotterdam-c-1910-lammerse-briefkaart-222183897.htm #Rotterdam #Briefkaarten #Postcards

    Cornovia Postcards (Old)@[email protected]♥ 0↻ 02025-05-24 09:57 UTCView post →

  • Strand en Kursaal, Oostende, c.1960s - Kruger Briefkaart https://www.ebid.net/uk/for-sale/strand-en-kursaal-oostende-c-1960s-kruger-briefkaart-221898240.htm #Oostende #Ostend #Ostende #Briefkaarten #Postcards

    Cornovia Postcards (Old)@[email protected]♥ 0↻ 02025-05-01 15:57 UTCView post →

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/briefkaarten