#ManifestV3
Live, measured metrics for the hashtag #ManifestV3 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #manifestv3
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 2026-10-09 16:50 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 2026-10-09 16:50 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-09 16:50 UTCEverything below is measured over the latest 40 public posts (spanning ~13283 hours).
Posting hours (UTC) — busiest: 14:00
Languages: English (26) · German (7) · Spanish (3) · Polish (3)
Avg boosts / post: 2.1
Top of the latest posts
We talk a lot about "privacy based browsers," but we need more talk about Engine Diversity. Using a chromium-based browser even a de-Googled one like ungoogled chromium or Vivaldi still cements Google's control over web standards. If Firefo
control the market. It also means its not going anywhere anytime soon. 3. Manifest V2 is dead. Yes, it is supported by Firefox but it'll be dropped eventually. Maintaining V2 and V3 simultaneously will be exhausting for the Firefox team tha
El Lunes articulillo sobre lo que implica la nueva implementación del Manifest V3 poniendo el foco en las extensiones para bloquear anuncios: RIP uBlock Origin. #manifestv3 #ublockOrigin #adguard
#manifestv3 across platforms
every network with a public tag surfaceFollow #manifestv3 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/manifestv3