Standards
JSON-LD
JSON-formatted structured data that Google and AI engines extract for entity understanding.
Definition
JSON-LD (JSON for Linking Data) is the format Google recommends for schema.org markup. Embedded in a <script type="application/ld+json"> block in the document head. Common types: Article, BlogPosting, Product, FAQPage, BreadcrumbList, Organization. Validates with the Rich Results Test.
See also
More in Standards
hreflang
A signal that tells search engines which language and region version of a page to serve.
RFC 9110 (HTTP Semantics)
The current IETF standard defining HTTP semantics: methods, status codes, headers.
RFC 9309 (Robots Exclusion Protocol)
The IETF standard that formally specifies robots.txt parsing and behavior.
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