#whatwg

Live, measured metrics for the hashtag #whatwg from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

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Own #whatwg

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.

$520.70/ year · 6-character #name
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1
Uses / 7 days
Mastodon
1
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.4
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-09-26 20:32 UTC
0
09-20
0
09-21
0
09-22
0
09-23
1
09-24
0
09-25
0
09-26

1 uses by 1 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mas.to (Mastodon public search API) · fetched 2026-09-26 20:32 UTC

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-09-26 20:32 UTC

Everything below is measured over the latest 40 public posts (spanning ~11065 hours).

Posting hours (UTC) — busiest: 08:00

00:0012:0023:00

Languages: English (33) · French (3) · German (2) · Dutch (1) · Polish (1)

Avg boosts / post: 1.8

Top of the latest posts

  • Have you folks noticed how the recent stream of #JavaScript-related security issues in browsers has NOT resulted in a call from #Google to expunge #JS from the “web platform” as it was done for #XSLT? #WHATWG #hypocrisy #hypocrites #openWeb

    Oblomov@[email protected]♥ 11↻ 42025-12-13 10:05 UTCView post →
  • What a “good” #website does…. #WHATWG, #W3C, #IETF #RFCs, #WCAG, #MDN https://specification.website

    Wladimir Mufty@[email protected]♥ 1↻ 22026-05-31 07:44 UTCView post →
  • For starters, most of what the #WHATWG is working on is largely irrelevant for the “web of documents”. This means largely no development efforts to “run after the latest revision of the spec”. I would expect most of the work to be of the ma

    Oblomov@[email protected]♥ 1↻ 02025-11-22 12:06 UTCView post →

What “whatwg” means

Wikipedia

The Web Hypertext Application Technology Working Group (WHATWG) was founded by representatives from Apple Inc., the Mozilla Foundation and Opera Software, leading web browser vendors in 2004. WHATWG is responsible for maintaining multiple web-related technical standards, including the specifications for the HyperText Markup Language (HTML) and the Document Object Model (DOM). The central organizational membership and control of WHATWG – its "Steering Group" – consists of Apple, Mozilla, Google,

“WHATWG” on Wikipedia (CC BY-SA) →

#whatwg across platforms

every network with a public tag surface

Follow #whatwg 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/whatwg