Coupled to a specific syntax. If you need to explain your articles in HTML documents with this kind of vocabulary, you can utilize the syntaxes RDFa and/or Microdata. We’ve confirmed this by working several structured info verification’s by way of Google’s testing Instrument, and Methods In 2009, Google further refined https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html