Glossary · Entities and schema
structured data validation
Checking markup parses and matches the visible page. Valid markup that contradicts the visible text is a worse position than no markup, because it makes a confident wrong claim available for reuse.
Entities and schema
Declaring who you are in a form a resolver can use without guessing.
structured data · JSON-LD · stable @id · entity collision · reciprocated sameAs · sameAs · knowledge graph · entity resolution · entity disambiguation · Wikidata · NAP · local citation · Organization schema · LocalBusiness · FAQPage · @context · agentic knowledge graph · microformats (h-card) · RDF · triple · dangling @id · RDFa and Microdata · founder edge · foundingDate · knowsAbout · unreciprocated profile · entity graph · DefinedTerm · Person schema · named entity recognition
See it in the full glossary · 579 terms across 19 areas. Scan a site to see which of these apply to it.