#JDK21

Live, measured metrics for the hashtag #JDK21 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 #jdk21

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 #jdk21 — $1,129.43/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
0.7
Avg reactions / post
Mastodon · last 40

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-07-27 14:30 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 · mastodon.online (Mastodon public search API) · fetched 2026-07-27 14:30 UTC
#jdk_21
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-07-27 14:30 UTC

Everything below is measured over the latest 40 public posts (spanning ~22370 hours).

Posting hours (UTC) — busiest: 08:00

00:0012:0023:00

Languages: English (31) · German (3) · French (3) · Polish (1) · English (1) · Spanish (1)

Avg boosts / post: 1.7

Top of the latest posts

  • My Favorite JDK 21 Feature: Javadoc Search URL | Stuart Marks – @stuartmarks https://stuartmarks.wordpress.com/2023/09/22/my-favorite-jdk-21-feature-javadoc-search-url/ #Java #jdk21

    Markus Eisele@myfear♥ 6↻ 42023-09-24 14:12 UTCView post →

  • All you need to know about Java21 https://unlogged.io/post/all-you-need-to-know-about-java21 #Java #jdk21

    Markus Eisele@myfear♥ 5↻ 22023-10-26 20:47 UTCView post →

  • The Files in JDK 21 https://foojay.io/today/the-files-in-jdk-21/ by Anthony Goubard #Java #jdk21

    Markus Eisele@myfear♥ 4↻ 12023-10-25 14:12 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/jdk21