#leydenjar
Live, measured metrics for the hashtag #leydenjar from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #leydenjar
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.social (Mastodon public tags API) · fetched 2026-09-25 21:34 UTCNo measured public usage for #leydenjar in the last 7 days. That is a real result, and a good one to know: this hashtag is wide open right now. We show a dash before we ever show a made-up number. Browse the trending index for tags with live measurements.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-09-25 21:34 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-09-25 21:34 UTCEverything below is measured over the latest 8 public posts (spanning ~32297 hours).
Posting hours (UTC)
Languages: English (7) · Dutch (1)
Avg boosts / post: 0.5
Top of the latest posts
De #Volkskrant besteed hier aandacht aan de indrukwekkende technologie van het Nederlandse #Leydenjar om de kern van #lithium #batterijen te maken op basis van silicium. Meer opslagcapaciteit en goedkopere productie. Hun product, geproducee
Battery tech: Europe hopes to make up ground in the battery industry. Europe has some promising battery tech, but can it make up ground lost to Chinese battery giants? https://mediafaro.org/article/20260910-battery-tech-europe-hopes-to-make
Foil Leyden Jar Helps Bring Crookes Tube to Life https://hackaday.com/2025/05/23/foil-leyden-jar-helps-bring-crookes-tube-to-life/ #SirWilliamCrookes #cathoderaytubes #classichacks #HighVoltage #leydenjar
What “leydenjar” means
WikipediaLeydenJar Technologies B.V. is a deep tech company that specializes in technologies for electric batteries. It was founded in 2016 and is based in Leiden, the Netherlands.
“LeydenJar Technologies” on Wikipedia (CC BY-SA) →#leydenjar across platforms
every network with a public tag surfaceFollow #leydenjar 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/leydenjar