#pdd
Live, measured metrics for the hashtag #pdd from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #pdd
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 2026-09-11 01:13 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 2026-09-11 01:13 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-11 01:13 UTCEverything below is measured over the latest 26 public posts (spanning ~51371 hours).
Posting hours (UTC) — busiest: 03:00
Languages: English (18) · German (2) · Chinese (2) · Portuguese (1) · Italian (1) · Spanish (1)
Avg boosts / post: 2.8
Top of the latest posts
Happy Public Domain Day 2023 🎉 “Public Domain Day (PDD) is an observance of when copyrights expire and works enter into the public domain. This legal transition of copyright works into the public domain usually happens every year on Januar
#pdd is a simple command line date and time calculator. pdd (python3 date diff) is a small tool that can perform calculations on dates. pdd can add, subtract, and take the difference of two dates. pdd also supports a stopwatch and timer mod
Happy Public Domain Day! See what's entering the public domain this year: https://publicdomainreview.org/blog/2026/01/public-domain-day-2026/ More about PDD: https://en.wikipedia.org/wiki/Public_Domain_Day #PublicDomain #PublicDomainDay #PD
What “pdd” means
WikipediaThe diagnostic category pervasive developmental disorders (PDD), as opposed to specific developmental disorders (SDD), was a group of disorders characterized by delays in the development of multiple basic functions including socialization and communication. It was defined by the Diagnostic and Statistical Manual of Mental Disorders (DSM), and the International Classification of Diseases (ICD).
“Pervasive developmental disorder” on Wikipedia (CC BY-SA) →#pdd across platforms
every network with a public tag surfaceFollow #pdd 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/pdd