Open Graph Protocol is actually a schema markup (It is usually referred to as a vocabulary) formulated by Fb in order to combine and relate web pages and make its rich illustration within the social graph. In follow, Open Graph enables Facebook's Like If you do not consent to utilization https://www.presta-addons-modules.com/en/front-office/prestashop-social-media-side-bar-links-buttons-on-all-pages.html