What it means
Page facts are recorded in one technical block rather than mixed into the visible HTML markup of each element.
Term in plain language
JSON-LD
A format for supplying linked structured data in a separate JSON block within an HTML document.
Why it matters
The format is convenient for maintaining complex entities and relationships, but its data must match visible page content.
Example
Article JSON-LD connects the headline, publication date, author, image and canonical address in one Article object.
Related pageRelated terms
Continue exploring
Redirect
An HTTP response that sends browsers and search crawlers from one URL to another.
Schema.org
A shared vocabulary of types and properties for machine-readable descriptions of web-page entities.
Structured data
Machine-readable markup that explicitly describes page entities and their properties.