Markup could be conveniently checked by way of schema markup screening Device. It will require a while for rich snippets to look in search engine results, so they is probably not shown immediately. However, product and category rich snippets will show up only immediately after Google indexes the written content. https://addons.prestashop.com/es/seo-posicionamiento-buscadores/31857-google-rich-snippets-automatico-json-ld-opengraph-seo.html