Here is a common example of the rich look for consequence, where by we will see how online search engine reads structured facts markup and takes advantage of it to display a graphically enhanced research end result - rich snippet - with star ranking data, rate and the like: Schema.org https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html