Open Graph Protocol is often a schema markup (It's also called a vocabulary) produced by Fb in order to combine and relate Internet pages and create its rich representation within the social graph. In practice, Open Graph lets Fb's Like Pay a visit to Schema.org and discover the particular form https://www.presta-addons-modules.com/en/front-office/prestashop-web-traffic-analysis-using-statcounter-tool.html