#jsonld

Live, measured metrics for the hashtag #jsonld from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #jsonld

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.

$520.70/ year · 6-character #name
Claim #jsonld — $520.70/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
1
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-10-21 04:22 UTC
0
10-15
0
10-16
0
10-17
0
10-18
0
10-19
0
10-20
0
10-21

0 uses by 0 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 2026-10-21 04:22 UTC

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-10-21 04:22 UTC

Everything below is measured over the latest 40 public posts (spanning ~5262 hours).

Posting hours (UTC) — busiest: 17:00

00:0012:0023:00

Languages: English (27) · Russian (10) · German (2) · American English (1)

Avg boosts / post: 2.4

Top of the latest posts

  • Do you like JSON-LD? #EvanPoll #poll #ActivityPub #JSONLD

    Evan Prodromou 🇨🇦🇺🇸🇬🇷🇵🇸@[email protected]♥ 11↻ 182026-08-08 12:57 UTCView post →
  • In ActivityPub, these are all equivalent: "type":"Banana" "type":["Banana"] "type":{"@id":"Banana"} "type":[{"@id":"Banana"}] "type":{"id":"Banana"} "type":[{"id":"Banana"}] "@type":"Banana" "@type":["Banana"] "@type":{"@id":"Banana"} "@typ

    @reiver ⊼ (Charles) :batman:@[email protected]♥ 6↻ 72026-05-14 03:33 UTCView post →
  • Just had to add a workaround to #Fedify for http://joinmastodon.org/ns, a JSON-LD context URL that has never actually served a JSON-LD document. Mastodon has always inlined the term definitions, but some implementations put it as a bare URL

    洪 民憙 (Hong Minhee) :nonbinary:@[email protected]♥ 5↻ 42026-03-18 06:00 UTCView post →

What “jsonld” means

Wikipedia

JSON-LD is a method of encoding linked data using JSON and of serializing data similarly to traditional JSON. It is meant to be simple to create by modifying JSON documents. JSON-LD is a World Wide Web Consortium Recommendation initially developed by the JSON for Linking Data Community Group, transferred to the RDF Working Group for review, improvement and standardization, and now maintained by the JSON-LD Working Group.

“JSON-LD” on Wikipedia (CC BY-SA) →

#jsonld across platforms

every network with a public tag surface

Follow #jsonld 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/jsonld