Markup might be very easily checked via schema markup screening Device. It will take a while for rich snippets to appear in search engine results, so that they is probably not shown right away. However, product and category rich snippets will look only following Google indexes the written content. You'll https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html