JSON-LD makes it possible for you (and us) to collect all the data about your product and demonstrate it in a single small bit of JavaScript code which might be pushed everywhere about the web site. This lets you work on a schema.org implementation using JSON-LD independently of your topic https://prestashop-addons83555.blogkoo.com/prestashop-meta-official-module-no-further-a-mystery-51289849