#MentionTag
Live, measured metrics for the hashtag #MentionTag from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #mentiontag
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.online (Mastodon public tags API) · fetched 2026-09-26 18:04 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.online (Mastodon public search API) · fetched 2026-09-26 18:04 UTCNo related tags with measured usage found for #mentiontag.
Live pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-09-26 18:04 UTCEverything below is measured over the latest 5 public posts (spanning ~21210 hours).
Posting hours (UTC)
Avg boosts / post: 1
Top of the latest posts
I've noticed that Hubzilla 11.4 handles mentions and hashtags (closer to) the Twitter way instead of the Identi.ca way now. The @ and the # became part of the link (@Jupiter's Fedi-Memes on (streams), #Hashtag, for example). I wouldn't cry
@Osma A 🇫🇮🇺🇦 This would require three things, however. One, any Fediverse server software would have to be capable of altering comments from any Fediverse software. Don't think that posts, comments etc. aren't formatted the same everywh
@Osma A 🇫🇮🇺🇦 Sounds like Phanpy fixes what Mastodon doesn't even acknowledge as an issue. But your comment kind of demonstrates to me how not even Hubzilla supports "shadow mentions" (because it didn't need them when it was made, seeing
#mentiontag across platforms
every network with a public tag surfaceFollow #mentiontag 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/mentiontag