Markup is usually very easily checked via schema markup screening Resource. It requires a while for rich snippets to look in search engine results, so that they is probably not exhibited straight away. Having said that, product and classification rich snippets will show up only just after Google indexes the https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html