#cardbook
Live, measured metrics for the hashtag #cardbook from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #cardbook
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 2026-07-28 05:33 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 2026-07-28 05:33 UTCNo related tags with measured usage found for #cardbook.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 05:33 UTCEverything below is measured over the latest 21 public posts (spanning ~57713 hours).
Posting hours (UTC) — busiest: 11:00
Languages: English (13) · German (6) · French (1) · Spanish (1)
Avg boosts / post: 0.2
Top of the latest posts
Hey @thunderbird community, do you use Cardbook? If you do, I have a problem/question: I used to drag and drop Cardbook groups into the To:/CC:/BCC: field, but this doesn’t work anymore. Do you have an idea why? I use #Thunderbird 128.6.0es
QUESTION FORUM : #cardbook Si quelqu'un a déjà eu le problème et trouvé la solution : https://forum.zaclys.com/viewtopic.php?f=18&t=11758&p=22186#p22186
Konnte keine Mails mehr mit #Thunderbird versenden. Nur ohne #Cardbook (nutzt #Nextcloud) . Logins scheiterten. Alle Adressbüchre deabonniert. Dann beim eu abonnieren geht plötzlich nur noch abonnieren mit Mailadresse nicht Nextcloud Userna
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/cardbook