#roundel
Live, measured metrics for the hashtag #roundel from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #roundel
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 · mas.to (Mastodon public tags API) · fetched 2026-10-17 23:07 UTC0 uses by 0 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 2026-10-17 23:07 UTCLive pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-10-17 23:07 UTCEverything below is measured over the latest 40 public posts (spanning ~13221 hours).
Posting hours (UTC) — busiest: 08:00
Languages: English (40)
Avg boosts / post: 0.3
Top of the latest posts
A splendid combination of '#roundel, #map and #poster at Edgware Road Station, with another train forming the backdrop. #photography #travelling #LondonUnderground
A shot of a new development in Harding's Pits, #KingsLynn which although Lynn is a fair way from London (an hour and three quarters by train, longer by any other method) I have mentally dubbed 'Roundel Path'' for reasons that should be easy
Euston Tube #Station 🚝 #tube #underground #undergroundstation #hiddenlondonhangouts #travel #london #roundel #platform #ltmuseum #tfl #euston #leicaq3 #leica #snap_colours #snap_minimal #snap_artgallery #snap_community_member #snap_challen
What “roundel” means
Wiktionary · Wikipediaroundel/ˈɹaʊn.dəl/
- nounAnything having a round form; a round figure; a circle.
A roundel is a circular disc used as a symbol. The term is used in heraldry, but also for a type of national insignia used on military aircraft and sometimes combat vehicles, generally circular and usually comprising concentric rings of different colours. Roundels are used in many other contexts as well.
“Roundel” on Wikipedia (CC BY-SA) →#roundel across platforms
every network with a public tag surfaceFollow #roundel 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/roundel