What is JSON-LD?

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JSON-LD: A JSON-based format for describing things as linked data, used on web pages to tell machines what the page is about in a block of code.

JSON-LD 1.1 became a W3C Recommendation on 16 July 2020. Google supports JSON-LD, Microdata and RDFa for structured data and recommends JSON-LD where a site can use it.

Each entry in this glossary carries a JSON-LD block that marks it up with the schema.org DefinedTerm type.

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