Coupled to a certain syntax. If you want to explain your material in HTML documents with such a vocabulary, you might utilize the syntaxes RDFa and/or Microdata. To add snippets, study the particular facts and markup required for every variety working with Google’s official documentation. The appropriate Qualities are vital https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html