Please note that isSemantic.Web will not validate markup which contains other vocabularies In addition to Schema.org; this kind of markup will probably be shown in and Yandex. Though not a regular, it's One of the more commonly employed vocabularies, used by many websites and lots of apps. mainly because it https://socialeweb.com/story4111823/the-fact-about-product-schema-example-that-no-one-is-suggesting