This documentation describes which Attributes are required, advisable, or optional for structured facts with Particular meaning to Google Research. Most Research structured info makes use of schema.org vocabulary, but you must trust in the Google Research Central documentation as definitive for Google Look for conduct, in lieu of the schema. https://rafaeluepza.blogs100.com/34642423/how-much-you-need-to-expect-you-ll-pay-for-a-good-prestashop-documentation