#lighthouseday
Live, measured metrics for the hashtag #lighthouseday from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #lighthouseday
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 2026-11-13 16:39 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 2026-11-13 16:39 UTCNo related tags with measured usage found for #lighthouseday.
Live pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-11-13 16:39 UTCEverything below is measured over the latest 23 public posts (spanning ~26335 hours).
Posting hours (UTC) — busiest: 02:00
Languages: English (17) · German (4) · Spanish (1)
Avg boosts / post: 3.7
Top of the latest posts
It is National Lighthouse Day! Hail to the Fresnel lens, "the invention that saved a million ships." The Fresnel lens is named after its inventor Augustin-Jean Fresnel (10 May 1788 – 14 July 1827), French civil engineer and physicist, a pio
Happy National Lighthouse Day. Here is the famous La Jument ("the mare") lighthouse in Brittany, Northwestern France and some pics of its construction in 1906-1911. The famous bottom pic was taken by Jean Guichard from a helicopter in 1989
The famous La Jument ("the mare") lighthouse in Brittany, Northwestern France and some pics of its construction in 1906-1911. The famous bottom pic was taken by Jean Guichard from a helicopter in 1989 when lightkeeper Théodore Malgorn stepp
#lighthouseday across platforms
every network with a public tag surfaceFollow #lighthouseday 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/lighthouseday