Notify Customers: Tell your current customers with regards to the shift to the new Shopify store. Ship them an e mail with a backlink to the new store and any Guidelines they may require. Include the datePublished property if you want to give much more correct date facts to Google. https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html