Summary Card - is intended to give the reader a preview with the articles before clicking by means of to your website. I checked your article And that i can help you to repair the Prestashop Rich Snippet Module Let me know whenever you are available to discuss even more https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html