#html4

Live, measured metrics for the hashtag #html4 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 #html4

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 #html4$1,129.43/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
15
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 15
0.3
Avg reactions / post
Mastodon · last 15
Reddit posts / month
Reddit search
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-12 16:06 UTC
0
09-06
0
09-07
0
09-08
0
09-09
0
09-10
0
09-11
0
09-12

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.social (Mastodon public search API) · fetched 2026-09-12 16:06 UTC

Live pulse

measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-12 16:06 UTC

Everything below is measured over the latest 15 public posts (spanning ~69671 hours).

Posting hours (UTC) — busiest: 14:00

00:0012:0023:00

Languages: English (12) · Chinese (1) · German (1) · French (1)

Avg boosts / post: 0.1

Top of the latest posts

  • #Development #Guides The HTML ‘b’ element · Is the element still useful in current practice? https://ilo.im/1608z3 _____ #Content #SemanticHTML #Accessibility #ScreenReader #WebDev #Frontend #HTML #HTML5 #HTML4

    Inautilo@inautilo202024-09-30 14:05 UTCView post →
  • A must visit in 2025 https://www.spacejam.com/1996/jam.htm All that you'd expect from a genuine 1996 website: frames, source maps for images, and more. Delicious. #legacy #html4

    arabiccola@arabiccola102025-04-17 17:57 UTCView post →
  • Not everyone is on board with Web3, but browsing the average ham radio website, it seems like they haven’t even heard of Web 2.0. EDIT: This isn’t to say those websites are bad. Sure, they may be hard to read on mobile or a 4K screen, but c

    Colin Cogle :verified:@[email protected]112025-03-19 03:07 UTCView post →

What “html4” means

Wikipedia

Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It defines the content and structure of web content. It is often assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.

HTML” on Wikipedia (CC BY-SA) →

#html4 across platforms

every network with a public tag surface

Follow #html4 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/html4