If you're utilizing Microdata or RDFa, make absolutely sure your schema code is nested effectively and it has logical hierarchical composition that matches Schema.org specification. Read about schema hierarchy. Summary Card - is intended to provide the reader a preview on the content ahead of clicking through to your website. https://rich-snippets-schema60012.nizarblog.com/32048306/the-5-second-trick-for-json-schema-is-not-supporting-please-check-your-json