Wiki · citable explainer

What Is the Difference Between Structured Data and Schema?

Schema.org is the vocabulary. Structured data is the on-page implementation. JSON-LD is the preferred format.

Short answer

Use schema.org types implemented as JSON-LD structured data so machines can parse identity without guessing from prose.

JSON-LD · Schema Markup

Questions answer engines ask

Are schema and structured data synonyms?
Commonly treated that way, but schema is the vocabulary and structured data is the implementation.

Which format should SMEs use?
JSON-LD in the page head is the practical default.

What type matters most for businesses?
Organisation / LocalBusiness with accurate identity and location properties.

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