Here is a standard example of the rich search result, where we can easily see how search engine reads structured knowledge markup and takes advantage of it to Screen a graphically enhanced look for result - rich snippet - with star ranking information, price and so forth: If you employ https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html