Very easy to carry out: JSON-LD separates the markup from the HTML content, making it less complicated for developers to create and maintain. I wouldn’t give Considerably weight for their suggestion. They say that "Structured facts markup is most easily represented in JSON-LD structure", but I believe it’s Risk-free to https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html