{"id":24,"slug":"json-ld-adoption-41pct-web-almanac-2024","title":"JSON-LD adoption: 41% of pages (Web Almanac 2024); 62M domains, +37% YoY (Schema App / W3Techs)","kind":"reference","scope":"business","status":"current","audiences":["claude-code","candid-team"],"topics":["schema-org","measurement"],"reference_body":"**Claim:** Schema.org adoption is now widespread but uneven:\n\n- **41%** of pages carry JSON-LD per HTTP Archive Web Almanac 2024 (up from 34% in 2022)\n- RDFa: 66%; Microdata: 26%\n- **62 million domains** use schema markup, growing **37% annually** (Schema App / W3Techs)\n- Schema.org currently defines **800+ types**\n- Most growth is driven by CMS plugin defaults (Yoast, RankMath, AIOSEO) — not hand-coded\n\n**Sources:** <https://almanac.httparchive.org/en/2024/structured-data>; xictron.com 2026 update citing Schema App and W3Techs.\n\n**Confidence:** Industry-consensus.\n\n**Adoption-quality caveat:** Digital Applied's 5,000-site audit (April 2026) found 71% deploy at least one schema type — but only **22% pass Google's Rich Results Test cleanly**. Validity matters more than presence (see [[digital-applied-schema-validity-22pct]]).","rationale_body":null,"metadata":null,"links":{"outgoing":[],"incoming":[{"slug":"digital-applied-schema-validity-22pct","title":"Digital Applied 5K-site audit (Apr 2026): only 22% of schema implementations pass Google Rich Results Test (r=+0.34 with AI citation)","kind":"reference","scope":"business","link_type":"relates-to"},{"slug":"webmcp-ucp-agentic-web-2026","title":"WebMCP + UCP: schema = nouns, WebMCP = verbs, UCP = wallet (Chrome 146 / Google I/O 2026)","kind":"reference","scope":"business","link_type":"depends-on"},{"slug":"research-brief-structured-content-as-competitive-advantage","title":"Research brief: Structured content as a competitive advantage (piece 2 of 15)","kind":"reference","scope":"business","link_type":"relates-to"}]},"created_at":"2026-05-22T18:57:39.568Z","updated_at":"2026-05-22T18:57:39.568Z"}