#blacklight
Live, measured metrics for the hashtag #blacklight from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #blacklight
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 2026-10-16 05:12 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 2026-10-16 05:12 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-16 05:12 UTCEverything below is measured over the latest 40 public posts (spanning ~9526 hours).
Posting hours (UTC) — busiest: 19:00
Languages: English (16) · French (1) · Japanese (1)
Avg boosts / post: 1.2
Top of the latest posts
It's never too early, but it felt like the right moment to get out my pens with Tramol Turritopsis Nutricula again. This never gets old. Tramol Turritopsis Nutricula "invisible" UV reactive ink. TWSBI ECO Glow Green pen. Tomoe River S Kanso
One of my favorite art pieces. I just love how this one turned out, and it glows BRIGHTLY in the dark. #mastoArt #Art #SpaceArt #UVArt #Blacklight #Nebula #AbstractArt #Fluorescent #AstronomyArt #Space #astronomy #phosphorescent
I got a blacklight :3 #nude #nsfw #chubby #soft #boobs #tummy #nonbinary #blacklight
What “blacklight” means
Wiktionary · Wikipediablacklight
- nounA light bulb that emits ultraviolet light, usually used to create the illusion that anything white is glowing.
A blacklight, also called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave (UV-A) ultraviolet light and very little visible light. One type of lamp has a violet filter material, either on the bulb or in a separate glass filter in the lamp housing, which blocks most visible light and allows through UV, so the lamp has a dim violet glow when operating. Blacklight lamps which have this filter have a lighting industry designation that includes the letters "BLB". This s
“Blacklight” on Wikipedia (CC BY-SA) →#blacklight across platforms
every network with a public tag surfaceFollow #blacklight 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/blacklight