#c99

Live, measured metrics for the hashtag #c99 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 #c99

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.

$5,313.74/ year · 3-character #name
Claim #c99 — $5,313.74/yr→Buy on hashtag.space (web3)
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
0.1
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-10-31 00:15 UTC
0
10-25
0
10-26
0
10-27
0
10-28
0
10-29
0
10-30
0
10-31

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 2026-10-31 00:15 UTC
#baw99c
0 uses · 0 accounts / 7d
#tom99c
1 uses · 1 accounts / 7d
#afe5660c99b
0 uses · 0 accounts / 7d
#dxrandoflags8817c99
3 uses · 1 accounts / 7d
#f533c8d8c99
4 uses · 4 accounts / 7d
#afe0c99fb22
0 uses · 0 accounts / 7d
#f6f99c3c67f
0 uses · 0 accounts / 7d
#fa53c99ecc3
0 uses · 0 accounts / 7d
#aaff99c722a
4 uses · 2 accounts / 7d
#ffd70b3c99d
0 uses · 0 accounts / 7d
#f64c99db0b3
0 uses · 0 accounts / 7d
#u79cbu7530u99c5
1 uses · 1 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-31 00:15 UTC

Everything below is measured over the latest 40 public posts (spanning ~11749 hours).

Posting hours (UTC) — busiest: 15:00

00:0012:0023:00

Languages: English (33) · Chinese (Taiwan) (2) · Russian (1) · French (1)

Avg boosts / post: 0.1

Top of the latest posts

  • @trcwm I'm doing some bare metal AVR (8 bit MCU) in #oberon (using an Oberon to C transpiler and hand coded register addresses from spec docs) as well as some (BSD/Linux/MacOSX) server side companion (over serial USB) to the AVR. I would no

    marocddot@[email protected]♥ 2↻ 02026-05-15 19:36 UTCView post →

  • Hey, does anyone know how to index/random access an array represented by a void pointer given the `sizeof` the element type but not the type itself? I'm in `-std=c99` but I can switch to `-std=gnu99` if needed. (Yes I know this implementati

    Trana Del Rey@[email protected]♥ 1↻ 02026-10-04 10:20 UTCView post →

  • RE: https://qaf.men/@mooooooo/117434109232733115 pls help how does this happen? :/ #askfedi #askmastodon #cprogramming #c99

    Trana Del Rey@[email protected]♥ 0↻ 02026-10-13 14:53 UTCView post →

#c99 across platforms

every network with a public tag surface

Follow #c99 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/c99