RDFa is another structure used to embed rich metadata on web pages and documents. Let’s use Google’s deal with as an example. - Module will work without building any adjust in the existing Opencart file to ensure that existing customization and topic modify don't have an affect on. The module https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html