Markup is usually effortlessly checked through schema markup screening Instrument. It will take a while for rich snippets to seem in search engine results, so they is probably not shown immediately. On the other hand, product and group rich snippets will surface only just after Google indexes the articles. Disclaimer: https://addons.prestashop.com/es/seo-posicionamiento-buscadores/31857-google-rich-snippets-automatico-json-ld-opengraph-seo.html