#hellfest
Live, measured metrics for the hashtag #hellfest from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #hellfest
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.
Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-11 16:06 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-11 16:06 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-11 16:06 UTCEverything below is measured over the latest 40 public posts (spanning ~1674 hours).
Posting hours (UTC) — busiest: 09:00
Languages: French (25) · English (6) · German (1) · Dutch (1) · Polish (1)
Avg boosts / post: 0.4
Top of the latest posts
Funfact : my wife asked to show a little bit of #Behemoth at #hellfest to my brother in law... He is not into metal He is into pop and outside music in the positive bullshit... He had to leave the room after 1 minute 🎯 reached #metal
J'ai posé mes congés et j'ai mes billets pour : - le #Hellfest ( 20ème anniversaire ) - le #BrutalAssault ( 30ème édition ) en 2027 Et plus proche ( cad en 2026 et en #Suisse ) - Suffocation + Ingested - Der Weg Einer Freiheit #Concert #Fes
#MaisKeskecé Mais qu'est-ce c'est Sushi? Une cuillère du #Hellfest? Non...
What “hellfest” means
WikipediaHellfest, also known as Hellfest Summer Open Air, is a rock festival focusing on heavy metal music, held annually in June in Clisson, France. Its high attendance makes it the French music festival with the largest turnover. It is also one of the biggest metal festivals in Europe and the biggest to exist in France. It has been referred to as "the most diverse extreme metal festival in the world," and is a favorite of many musicians to perform at.
“Hellfest” on Wikipedia (CC BY-SA) →#hellfest across platforms
every network with a public tag surfaceFollow #hellfest 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/hellfest