#mu4
Live, measured metrics for the hashtag #mu4 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #mu4
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 · mastodon.social (Mastodon public tags API) · fetched 2026-10-24 02:58 UTC0 uses by 0 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 2026-10-24 02:58 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-24 02:58 UTCEverything below is measured over the latest 40 public posts (spanning ~7200 hours).
Posting hours (UTC) — busiest: 21:00
Languages: English (40)
Avg boosts / post: 0.1
Top of the latest posts
Iron Man through the trading card ages! Which card is your favorite? #TradingCardADay #IronMan #MU1 #MU2 #MU3 #MU4 #PaulRyan #JohnRomitaJr #JeffJohnson
Daredevil through the (trading card) ages! Which one is your favorite and why is it Series 2? #TradingCardADay #MU1 #MU2 #MU3 #MU4 #Daredevil #JohnRomitaJr #LeeWeeks #RonLim
Here's the full page of the 2099 red foil inserts! I think the background is meant to be some kind of tiered cityscape like the New Warriors cards, but the red foil effect makes it all much more abstract. #TradingCardADay #MU4 #Marvel2099
What “mu4” means
Wiktionary#mu4 across platforms
every network with a public tag surfaceFollow #mu4 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/mu4