#jef

Live, measured metrics for the hashtag #jef 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 #jef

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 #jef — $5,313.74/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/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 · mas.to (Mastodon public tags API) · fetched 2026-10-15 19:24 UTC
0
10-09
1
10-10
0
10-11
0
10-12
0
10-13
0
10-14
1
10-15

2 uses by 2 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 2026-10-15 19:24 UTC
#jeffbezos
129 uses · 29 accounts / 7d
#JeffreyArcher
2 uses · 2 accounts / 7d
#jeffreyepstein
32 uses · 31 accounts / 7d
#jeffkoons
0 uses · 0 accounts / 7d
#jeffprobst
0 uses · 0 accounts / 7d
#jeffreylurie
27 uses · 13 accounts / 7d
#Jefferies
4 uses · 4 accounts / 7d
#jefe
0 uses · 0 accounts / 7d
#jeffhafley
6 uses · 5 accounts / 7d
#jeffreyherlings
4 uses · 4 accounts / 7d
#jeffrey
1 uses · 1 accounts / 7d
#jeffhorwitz
1 uses · 1 accounts / 7d

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-10-15 19:24 UTC

Everything below is measured over the latest 40 public posts (spanning ~2989 hours).

Posting hours (UTC) — busiest: 07:00

00:0012:0023:00

Languages: English (23) · Japanese (12) · Estonian (4) · Czech (1)

Avg boosts / post: 0.2

Top of the latest posts

  • Another move forward towards a European Federation https://www.facebook.com/100079586649057/posts/1005473752115504/ #politics #Europe #jef #RejoinEU #Defence

    Grassroots for Europe🇪🇺@grassrootsforeurope♥ 6↻ 72026-07-11 11:23 UTCView post →

  • https://www.walknews.com/1403863/ 10月17日（土）横浜F・マリノス戦 フクアリ ちば推しグルメ情報｜ニュース｜ジェフユナイテッド市原・千葉 公式ウェブサイト #Chiba #Ｊ２ #jef #Jリーグ #united #YogiboWEリーグ #クリニック #サッカー #シェフ #ジェフユナイテッド市原・千葉 #ジェフ千葉レディース #スクール #フクアリ #フクダ電子アリーナ #フットボール #ユナイテッド #千葉 #千葉県 #市原 #教

    Walk News@[email protected]♥ 0↻ 02026-10-15 00:28 UTCView post →

  • https://www.walknews.com/1400427/ 10月11日（日）Ｖ・ファーレン長崎戦 フクアリ ちば推しグルメ情報｜ニュース｜ジェフユナイテッド市原・千葉 公式ウェブサイト #Chiba #Ｊ２ #jef #Jリーグ #united #YogiboWEリーグ #クリニック #サッカー #シェフ #ジェフユナイテッド市原・千葉 #ジェフ千葉レディース #スクール #フクアリ #フクダ電子アリーナ #フットボール #ユナイテッド #千葉 #千葉県 #市原 #

    Walk News@[email protected]♥ 0↻ 02026-10-10 07:26 UTCView post →

What “jef” means

Wikipedia

Jef is a Dutch-language masculine given name primarily used in Belgium. It is a short form of Jozef/Josef, used also in Breton. People with the name include:Jef Billings (1945–2016), American figure skating costume designer Jef Boeke, American geneticist Jef Bruyninckx (1919–1995), Belgian film actor, editor and director Jef Caers, Belgian geostatistician Jef Colruyt, Belgian businessman Jef Delen, Belgian footballer Jef Demuysere (1907–1969), Belgian cyclist Jef Denyn (1862–1941), Belgian caril

“Jef” on Wikipedia (CC BY-SA) →

#jef across platforms

every network with a public tag surface

Follow #jef 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/jef