The ideal remedy depends on your intent, in including metadata to your web page. What's it that you are hoping to get? Exactly what is the get for you personally below? The different sorts of metadata are for marginally distinctive purposes. Google has produced it crystal clear that It is https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html