What is Structured data (JSON-LD)?

Machine-readable facts about a page using the schema.org vocabulary.

JSON-LD blocks describe organizations, products, articles, FAQs and more. Search engines use them for rich results, and AI assistants use them to extract facts reliably.

Related terms

• Open Graph: Meta tags (og:title, og:image…) that control how links look when shared.
• Keyword density: How often a word or phrase appears on a page relative to the total word count.
• SERP: Search Engine Results Page: everything a search engine shows for a query.