Markup could be simply checked through schema markup tests tool. It takes some time for rich snippets to look in search results, in order that they will not be displayed instantly. Nevertheless, product and category rich snippets will seem only immediately after Google indexes the written content. Disclaimer: employing isSemantic.Web's https://addons.prestashop.com/pt/seo-referenciamento-natural/31857-rich-snippets-automaticos-json-ld-opengraph-seo.html