So, IMHO, it's almost certainly most effective to be as comprehensive as feasible introducing the Schema.org markup exactly where it fits your content and use Open Graph metadata. They are doing slightly various, but complementary items. It is possible to follow the down below-outlined techniques for getting Google rich success. https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html