An Search engine optimisation schema module for PrestaShop is often a plugin that lets you add structured knowledge, often called schema markup, to your store pages. Please check the demo instance under, where the module is installed and configured in debug method. It really is working fine over the demo https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-open-graph-twitter-cards-tags-on-all-pages.html