Open Graph Protocol is a schema markup (it is also generally known as a vocabulary) designed by Facebook in order to mix and relate World wide web pages and produce its rich illustration within the social graph. In apply, Open Graph will allow Facebook's Like Please check the demo instance https://brightbookmarks.com/story19694904/helping-the-others-realize-the-advantages-of-prestashop-addthis-integration-share-content-on-social-networks