#cert

Live, measured metrics for the hashtag #cert 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 #cert

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 #cert — $2,449.80/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
1
Uses / 7 days
Mastodon
1
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.9
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 2026-11-10 14:59 UTC
0
11-04
0
11-05
0
11-06
0
11-07
0
11-08
0
11-09
1
11-10

1 uses by 1 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 2026-11-10 14:59 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-11-10 14:59 UTC

Everything below is measured over the latest 40 public posts (spanning ~2359 hours).

Posting hours (UTC) — busiest: 11:00

00:0012:0023:00

Languages: English (26) · Polish (6) · German (5) · Russian (1) · Chinese (1) · Italian (1)

Avg boosts / post: 1.7

Top of the latest posts

  • Hello, new mastodon.radio neighbors! This is Mark, N3MSC. I'm an #AmateurExtra licensee, #VE, and #CERT/#ARES operator. My home QTH doesn't let me really do HF, and I keep saying I'll get out and do more #POTA to compensate, but mostly you

    Mark Cornick (N3MSC)@N3MSC@mastodon.radio♥ 24↻ 52026-09-09 13:33 UTCView post →
  • Oh yeah, cause business is on LinkedIn... Ok, let's try: does anyone on the Fedi need (non AI slob) IT security consulting specialized on IT forensics for court, SOC/CERT, DFIR, and cyber crisis management exercises? (Let's see if I can del

    13reak :fedora:@13reak@infosec.exchange♥ 6↻ 362026-08-20 23:30 UTCView post →
  • If you are affected you did something wrong. Nobody should be using PHP in critical stuff. In my opinion. But that's - umm just an opinion. Major flaw/ security bug coming today! https://cert.europa.eu/publications/security-advisories/2026-

    Markus Feilner@mfeilner@mastodon.social♥ 2↻ 52026-10-21 05:22 UTCView post →

What “cert” means

Wiktionary

cert

  • nounCertificate.
  • adjectiveAbbreviation of certified.
Full entry on Wiktionary →

#cert across platforms

every network with a public tag surface

Follow #cert 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/cert