#WorldBookDay2021
Live, measured metrics for the hashtag #WorldBookDay2021 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #worldbookday2021
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 03:36 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 03:36 UTCNo related tags with measured usage found for #worldbookday2021.
Live pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-15 03:36 UTCEverything below is measured over the latest 2 public posts (spanning ~564 hours).
Posting hours (UTC)
Languages: English (1) · Afrikaans (1)
Avg boosts / post: 0
Used together with
Top of the latest posts
The world needs more independent bookstores, to keep up the variety and quality of books available. If there's no lockdown in your area, pay a visit to your local bookstore today! #WorldBookAndCopyrightDay ♲ @[email protected]:happ
#behindeverybook #worldbookday2021 am 23. April 2021 https://www.autorenwelt.de/blog/branchen-news/behindeverybook-worldbookday2021-am-23-april-2021
#worldbookday2021 across platforms
every network with a public tag surfaceFollow #worldbookday2021 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/worldbookday2021