Looking for Google’s webmaster docs? Looking for RDF? Since June 2011, several major search engines have been collaborating on a new common data vocabulary called Schema.org. The schema.org vocabulary can be used with JSON-LD, Microdata or RDFa 1.1 Lite syntax, and it has types for BreadcrumbList, Event, Organization, Person, Product, Review, AggregateRating, Offer and hundreds of others. See sche