Please note that isSemantic.Web does not validate markup which contains other vocabularies Aside from Schema.org; these kinds of markup will probably be revealed in In 2009, Google additional refined snippet effects by introducing “rich snippets.” Rich snippets function a “sneak preview” for listings to the SERP and can health supplement https://addons.prestashop.com/pt/seo-referenciamento-natural/31857-rich-snippets-automaticos-json-ld-opengraph-seo.html