Summary Card - is intended to provide the reader a preview on the articles just before clicking by means of to your website. You’ll want to generate your markup code to obtain Google Rich Snippets to appear for your business. This lets you hold the minimal aspects needed for Google https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html