This documentation describes which properties are required, proposed, or optional for structured details with Distinctive meaning to Google Research. Most Look for structured knowledge makes use of schema.org vocabulary, but you must depend upon the Google Look for Central documentation as definitive for Google Search conduct, rather then the schema. https://tealbookmarks.com/story18625839/considerations-to-know-about-automatische-google-rich-snippets-json-ld-opengraph-seo