Structured information is added on to a web page's HTML markup. Search engines like yahoo use structured facts to deliver rich snippets, that happen to be compact parts of data that will then surface in search engine results. Google presents a free Resource referred to as Structured Details Markup Helper that helps https://bookmarkspiral.com/story18895125/a-secret-weapon-for-automatyczne-google-rich-snippets-json-ld-opengraph-seo