Structured information is extra on to a web site's HTML markup. Search engines like google use structured knowledge to crank out rich snippets, that happen to be small parts of knowledge that should then appear in search results. Google isn't going to assure that capabilities that consume structured information will https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html