#JCON

Live, measured metrics for the hashtag #JCON 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 #jcon

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 #jcon — $2,449.80/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
2
Uses / 7 days
Mastodon
2
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0.1/hr
Recent pace
Mastodon · last 40
0.2
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-11-11 02:14 UTC
0
11-05
0
11-06
0
11-07
0
11-08
1
11-09
1
11-10
0
11-11

2 uses by 2 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 2026-11-11 02:14 UTC
#JCON2027
2 uses · 2 accounts / 7d
#JCON2026
0 uses · 0 accounts / 7d
#JCONUSA26
0 uses · 0 accounts / 7d
#jcon2018
0 uses · 0 accounts / 7d
#jconsole
0 uses · 0 accounts / 7d
#jconnaisca
0 uses · 0 accounts / 7d
#JConfPeru2020
0 uses · 0 accounts / 7d
#JConvolver
0 uses · 0 accounts / 7d
#jconsole_qiita
0 uses · 0 accounts / 7d
#JConfPeru
0 uses · 0 accounts / 7d
#JCON2020
0 uses · 0 accounts / 7d
#JCON2021
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.social (Mastodon tag timeline) · fetched 2026-11-11 02:14 UTC

Everything below is measured over the latest 40 public posts (spanning ~672 hours).

Posting hours (UTC) — busiest: 09:00

00:0012:0023:00

Languages: English (40)

Avg boosts / post: 0.3

Top of the latest posts

  • Abstracts are the trailers of a conference. A few sentences and you know whether you want to see the whole thing. Today, the people in this picture started watching all the trailers for #JCON2027. They’re our content board and over the next

    JCON@jcon♥ 6↻ 22026-11-09 16:05 UTCView post →

  • The Mentorship Hub is back at #JCON2027, for the third year in a row. Bruno Souza, "the Javaman" & #JUG Lead of SouJava, runs it with us. Speakers bring a topic, you join a table on the second floor, away from the Hallway Track noise. You c

    JCON@jcon♥ 1↻ 12026-10-20 17:50 UTCView post →

  • Wednesday, 28 April, after the Happy Hour: the #JCON Connect Night. #Networking in a smaller circle, with speakers and experts from around the world. #Java Champions are part of our lineup every year, and so are the passionate minds behind

    JCON@jcon♥ 0↻ 02026-11-10 09:15 UTCView post →

#jcon across platforms

every network with a public tag surface

Follow #jcon 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/jcon