#404error
Live, measured metrics for the hashtag #404error from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #404error
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 05:34 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 05:34 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 05:34 UTCEverything below is measured over the latest 40 public posts (spanning ~10871 hours).
Posting hours (UTC) — busiest: 12:00
Languages: English (37) · German (2) · French (1)
Avg boosts / post: 0.1
Top of the latest posts
That post never existed. Stop listening to that thing https://rachelbythebay.com/w/2026/05/05/404/ Comments: https://news.ycombinator.com/item?id=48982374 #HackerNews #postneverexisted #stoplistening #technews #404error #rachelbythebay #hac
🎮 Ah, the mystical allure of the Sega CD Silpheed—where the real art lies in the 404 error messages and the engineering marvel is just how many ways #ModSecurity can block you. 🚫 Because who needs details about a 90s game when you can hav
🚫404 Error: Common Sense Not Found! In a groundbreaking move, Snap introduces 'smart' glasses that are as forbidden as getting a decent Wi-Fi signal in the middle of the ocean. 🤓🔒 Because who needs functionality when you can have a fashi
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/404error