This may be very useful, thank you! I am in the entire process of creating the JSON-LD Schema for content articles on my site and this tutorial will can be found in quite handy to make it happen the best way. Pick out Google Research, Schema.org, Open Graph or Twitter https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html