Supported formats Google Search supports structured knowledge in the following formats, Except documented if not. Normally, we advise using a structure that is most straightforward so that you can put into practice and manage (generally, that's JSON-LD); all three formats are Similarly fine for Google, as long as the markup https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html