#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 · mas.to (Mastodon public tags API) · fetched 2026-09-28 16:49 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 2026-09-28 16:49 UTCLive pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-09-28 16:49 UTCEverything below is measured over the latest 11 public posts (spanning ~31467 hours).
Posting hours (UTC)
Languages: English (8)
Avg boosts / post: 2.5
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
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
FYI: Explaining backfill: Backfill is the demand that fills an ad slot when higher priority buyers pass. How the fallback is decided, where it sits in the stack, and why it is contested. https://ppc.land/backfill/ #Backfill #DigitalAdvertis
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