Here is a common example of the rich research end result, where we can see how online search engine reads structured data markup and makes use of it to Show a graphically Increased lookup result - rich snippet - with star ranking details, rate and so forth: The Github JSON https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html