How popular is #21sem?

#21sem has no measured public activity on the open social web in the last 7 days. It is currently wide open.

What hashtags are related to #21sem?

No related hashtags with measured usage were found for #21sem.

How much does it cost to own #21sem?

#21sem is available as a #name from $1,129.43 per year. You can claim it by card at https://hashtag.org/checkout/portal-name?name=21sem or with tokens on hashtag.space at https://hashtag.space/#21sem.

#21sem

Name: #21sem — a #name on hashtag.org
Brand: hashtag.org
Price: 1129.43 USD
Availability: InStock

Live, measured metrics for the hashtag #21sem 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 #21sem

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.

$1,129.43/ year · 5-character #name

Claim #21sem — $1,129.43/yr→Buy on hashtag.space (web3)

card via hashtag.org · tokens via hashtag.space

Uses / 7 days

Mastodon

Accounts / 7 days

Mastodon

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 21:42 UTC

07-21

07-22

07-23

07-24

07-25

07-26

07-27

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 2026-07-27 21:42 UTC

No related tags with measured usage found for #21sem.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 21:42 UTC

Everything below is measured over the latest 2 public posts (spanning ~54029 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: English (1) · Portuguese (1)

Avg boosts / post: 0

Used together with

#21mm ×1 #berlin ×1 #leica ×1 #m11m ×1 #flickr ×1 #thingsdavidlikes ×1