#UseR2021
Live, measured metrics for the hashtag #UseR2021 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #user2021
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 2026-07-27 08:13 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 2026-07-27 08:13 UTCNo related tags with measured usage found for #user2021.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 08:13 UTCEverything below is measured over the latest 12 public posts (spanning ~40984 hours).
Posting hours (UTC) — busiest: 07:00
Languages: English (12)
Avg boosts / post: 3.3
Top of the latest posts
🔔 Quick reminder! The Call for Contributions for the UseR! 2026 conference in Warsaw 🇵🇱 is still open. Don't wait until the last minute—submit your proposal and share your knowledge! Details and submission form is available here: 👉 http
⏰ TICK-TOCK! Only ONE WEEK left until the deadline! The program committee for useR! 2026 in Warsaw invites global R users and developers to submit their contributions. Don’t miss your chance to share your work! SUBMIT YOUR PROPOSAL before t
Join the global R community in Warsaw (July 6–9) at the University of Warsaw. We welcome submissions from all experience levels – whether you are a novice or an expert! We are looking for: 🎤 Talks (Standard & Lightning) 🧑🏫 Tutorials 📊
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/user2021