Summary Card - is meant to give the reader a preview of the content before clicking by means of to your website. But, there is a silver lining. You don’t really have to often start out with a blank slate when developing a custom Schema. You can utilize the Advanced https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html