Structured data features

Per-feature validation fixtures for every Google search-gallery rich-result feature, with known pass and fail states.

Feature-level structured data coverage: for each of the 26 Google search-gallery rich-result features, a valid fixture (required plus recommended properties — zero errors, zero warnings), a valid-minimal fixture (required properties only — zero errors, warnings for the missing recommended properties), and failing fixtures carrying exactly one deliberate defect each.

Format-level mechanics — JSON-LD parsing, placement, malformed blocks, Microdata and RDFa — live in the structured-data category; this category only asks whether a syntactically valid block satisfies a specific feature’s published requirements.

Every fixture’s JSON-LD payload is frozen at the values recorded in the reference plans. Defective variants are kept out of the default sitemap so a baseline crawl sees only clean structured data.

Fixtures in this category

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