#ja4

Live, measured metrics for the hashtag #ja4 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 #ja4

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.

$5,313.74/ year · 3-character #name
Claim #ja4 — $5,313.74/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
27
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 27
0.1
Avg reactions / post
Mastodon · last 27
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-11-09 02:30 UTC
0
11-03
0
11-04
0
11-05
0
11-06
0
11-07
0
11-08
0
11-09

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 2026-11-09 02:30 UTC
#ja4scan
0 uses · 0 accounts / 7d
#ja4fingerprint
1 uses · 1 accounts / 7d
#Freedom4JA
0 uses · 0 accounts / 7d
#thy4ja
0 uses · 0 accounts / 7d
#ja4_r
0 uses · 0 accounts / 7d
#ja4_fingerprinting
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-11-09 02:30 UTC

Everything below is measured over the latest 27 public posts (spanning ~25850 hours).

Posting hours (UTC) — busiest: 08:00

00:0012:0023:00

Languages: English (14) · Russian (11) · French (1) · Polish (1)

Avg boosts / post: 1

Top of the latest posts

  • VirusTotal adds JA4 support! https://blog.virustotal.com/2024/10/unveiling-hidden-connections-ja4-client.html #VirusTotal #JA4

    Taylor Parizo@taylorparizo@infosec.exchange♥ 1↻ 12024-10-18 13:54 UTCView post →

  • JA4T and JA4TS are the latest additions to the suite of JA4+ network fingerprints. JA4T can identify intermediary proxies, VPNs, load balancers, tunneling, and fingerprint client/server OS, devices, applications and hosting/provider charact

    Taylor Parizo@taylorparizo@infosec.exchange♥ 1↻ 12024-05-03 15:31 UTCView post →

  • TLS наизнанку: от рукопожатия TLS 1.2/1.3 до Fingerprinting (JA3/JA4/http2) и маскировки с uTLS Как WAF отличает ваш скрипт на Python от реального Chrome, если заголовки полностью идентичны? Ответ зашит в сетевом стеке. Поддерживаемые шифры

    Habr@habr@zhub.link♥ 0↻ 02026-10-27 16:02 UTCView post →

What “ja4” means

Wiktionary

ja

  • adverbYes
Full entry on Wiktionary →

#ja4 across platforms

every network with a public tag surface

Follow #ja4 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/ja4