Update for Full Migration: If you are satisfied with the results from the demo and able to progress with the complete migration, you can enhance to your paid plan. This tends to let you transfer your site data to your new Shopify store. Structured information is usually a standardized format https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html