#fr4
Live, measured metrics for the hashtag #fr4 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #fr4
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 · mas.to (Mastodon public tags API) · fetched 2026-10-15 07:48 UTC1 uses by 1 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mas.to (Mastodon public search API) · fetched 2026-10-15 07:48 UTCLive pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-10-15 07:48 UTCEverything below is measured over the latest 17 public posts (spanning ~44828 hours).
Posting hours (UTC) — busiest: 04:00
Languages: English (8) · Russian (2) · German (1)
Avg boosts / post: 0.4
Top of the latest posts
Подставки из печатных плат. Как я сделал гиковый подарок, который не хотелось заказывать с Amazon Уже пару лет в моей корзине на Amazon лежал PCB-coaster — подстаканник в виде настоящей печатной платы. По отзывам, такие штуки охотно дарят н
FR-4: материал, который у всех на слуху, но мало кто в него всматривался Когда речь заходит о печатных платах, FR-4 упоминают чуть ли не в каждом втором разговоре. Это стандарт, основа, база, с которой начинается почти любая электроника. Но
Dyneema Chainplate Loop Test #Shorts https://cuddly.tube/w/m3HKQiMjoMUwQZ4f496CnX
What “fr4” means
Wiktionary#fr4 across platforms
every network with a public tag surfaceFollow #fr4 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/fr4