#0days
Live, measured metrics for the hashtag #0days from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #0days
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 2026-09-17 17:20 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 2026-09-17 17:20 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-17 17:20 UTCEverything below is measured over the latest 40 public posts (spanning ~30255 hours).
Posting hours (UTC) — busiest: 15:00
Languages: English (35) · German (2) · Danish (1) · Spanish (1) · French (1)
Avg boosts / post: 3.5
Top of the latest posts
ZOMG! It's freakin Patch Tuesday again. And Microsoft has patched a staggering 167 security holes (think more people are using AI to find bugs, maybe?) tl;dr: There's something for everyone today, like an Adobe Reader 0day that's apparently
Anonymous GitHub account dropping undisclosed #0days… 👀 #7Zip #AnyDesk #CAres #Docker #FFmpeg #Firefox #FlociAPIGateway #Flowise #Ghidra #GiteaActRunner #ImageMagickGhostscript #Libssh2 #LunarClientModrinth #MyBB #Nghttp2Nghttpx #Nmap #Obj
@viq @Jerry Oh absolutely — the 1001-day club never goes out of style. EternalBlue, log4j, the classics that keep on giving. A whole episode just for the vulns that refuse to die 😂 #infosec #0days
What “0days” means
Wiktionary · WikipediaA day is the time period of a full rotation of the Earth with respect to the Sun. On average, this is 24 hours. As a day passes at a given location it experiences morning, afternoon, evening, and night. This daily cycle drives circadian rhythms in many organisms, which are vital to many life processes.
“Day” on Wikipedia (CC BY-SA) →#0days across platforms
every network with a public tag surfaceFollow #0days 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/0days