#err
Live, measured metrics for the hashtag #err from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #err
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 2026-10-25 13:28 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 2026-10-25 13:28 UTCNo related tags with measured usage found for #err.
Live pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-25 13:28 UTCEverything below is measured over the latest 40 public posts (spanning ~27305 hours).
Posting hours (UTC) — busiest: 16:00
Languages: English (25) · Finnish (7) · Estonian (5) · German (1) · Russian (1) · Dutch (1)
Avg boosts / post: 0.4
Top of the latest posts
#ERR News - #Estonia 's public broadcaster- sums up the scandal revolving around Prime Minister Kaja #Kallas ' husband Arvo #Hallik 's alleged business activity in #Russia during the #Ukraine war: https://news.err.ee/1609078387/kaja-kallas-
Wednesday, September 2, 2026 As Ukrainian schools open, students hear air raid sirens instead of the first bell . . . . . Germany officially blames Russia for drone attack attempt at Leipzig airport . . . . . Estonia, Romania report drone i
Monday, May 11, 2026 Analysis: Is Ukraine starting to win the war again? -- Russia breaks 3-day ceasefire as strikes kill 1, injure 19 across Ukraine -- What Russia’s Victory Day reveals -- Wanted former Polish minister flees Hungary as Mag
What “err” means
Wiktionary#err across platforms
every network with a public tag surfaceFollow #err 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/err