This documentation describes which Attributes are required, encouraged, or optional for structured facts with Exclusive intending to Google Research. Most Research structured information utilizes schema.org vocabulary, but you must count on the Google Research Central documentation as definitive for Google Search habits, rather than the schema. - Delivering ‘high-quality’ final https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html