#tc39

Live, measured metrics for the hashtag #tc39 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 #tc39

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 #tc39 — $2,449.80/yr→
Annual, renews each year
Buy on hashtag.space (web3)
one-timepay once, yours for life
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
0.3
Avg reactions / post
Mastodon · last 40

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 11:31 UTC
0
07-21
0
07-22
0
07-23
0
07-24
0
07-25
0
07-26
0
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 11:31 UTC
#tc39bergen
0 uses · 0 accounts / 7d
#tc39_jsconfjp
0 uses · 0 accounts / 7d
#tc39panel
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 11:31 UTC

Everything below is measured over the latest 40 public posts (spanning ~15726 hours).

Posting hours (UTC) — busiest: 09:00

00:0012:0023:00

Languages: English (37) · Russian (2) · Chinese (Taiwan) (1)

Avg boosts / post: 0.8

Top of the latest posts

  • Every so often I check to see if CSS anchor positioning is ready. Almost there in Safari/Firefox. :blobcateyesR: Popover API already makes things so much cleaner, so hopeful all the anchor implementations ship in a stable shape. Chrome's se

    Austin Andrews@templarian♥ 2↻ 12025-03-22 15:32 UTCView post →

  • Who likes themselves some #webComponents related #interop2024 proposals? +1 them while they are hot! Reference Target: https://github.com/web-platform-tests/interop/issues/792 :host(:has(...)) and :host:has(...): https://github.com/web-plat

    westbrook@[email protected]♥ 2↻ 122024-10-07 13:26 UTCView post →

  • Getting information about the status of #TC39 proposals is a horrible process: As a developer, I want to know how far along the "Pattern matching" feature is. So I google "TC39 Pattern Matching". First result is this GitHub repo: https://gi

    Moritz@[email protected]♥ 1↻ 02025-11-18 09:31 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/tc39