#backfill
Live, measured metrics for the hashtag #backfill from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #backfill
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 2026-09-26 18:56 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 2026-09-26 18:56 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-26 18:56 UTCEverything below is measured over the latest 15 public posts (spanning ~32857 hours).
Posting hours (UTC) — busiest: 19:00
Languages: English (10) · German (1)
Avg boosts / post: 2.3
Top of the latest posts
Mastodon could soon be getting the ability to backfill posts for profiles that an instance hasn't seen before. This will fix a major issue that has made the experience of using Mastodon confusing for new users especially on smaller instance
Progress update for Conversational Contexts This past June, I put together a write-up about two major approaches to backfilling conversations. The ability to properly backfill conversations means we will be able to make major inroads toward
A conversational context is what the ForumWG uses to describe what you might see as a reply tree or comment thread. One of the short-to-medium term goals of the ForumWG is to get conversational backfill working reliably. What this means — c
What “backfill” means
WikipediaThis page is a glossary of archaeology, the study of the human past from material remains.
“Glossary of archaeology” on Wikipedia (CC BY-SA) →#backfill across platforms
every network with a public tag surfaceFollow #backfill 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/backfill