#luminance
Live, measured metrics for the hashtag #luminance from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #luminance
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 · mastodon.online (Mastodon public tags API) · fetched 2026-10-15 15:03 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-10-15 15:03 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-15 15:03 UTCEverything below is measured over the latest 18 public posts (spanning ~51901 hours).
Posting hours (UTC) — busiest: 11:00
Languages: English (10) · French (3) · Japanese (1) · Ukrainian (1) · Spanish (1)
Avg boosts / post: 0.4
Top of the latest posts
H-R Diagram Find the Sun! Source: Foundations of Astronomy 13ed, 2016 Note: There's a newer (15th) edition, 2026 #astronomy #stars #luminance
Parametric Press Unravels The JPEG Format - This is the first we’ve heard of Parametric Press — a digital magazine with some d... - https://hackaday.com/2023/02/14/parametric-press-unravels-the-jpeg-format/ #discretecosinetransform #runleng
Eine kleine Frühstücksskizze, entstanden über mehrere Tage (an denen das Büchlein woanders lag und noch keine Buntstifte am Tisch waren). Ich hatte das früher schonmal angefangen, aber jetzt im Ruhestand habe ich (hoffentlich) auch die Muße
What “luminance” means
Wiktionary · WikipediaLuminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. It describes the amount of light that passes through, is emitted from, or is reflected from a particular area, and falls within a given solid angle.
“Luminance” on Wikipedia (CC BY-SA) →#luminance across platforms
every network with a public tag surfaceFollow #luminance 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/luminance