Facebook pixel is a piece of JavaScript code for your domain that Facebook lets you measure, optimize and build audiences for your advertising campaigns. The domain users are identified by the Facebook cookies on their devices through their respective Facebook accounts. The Facebook Pixel tracks URLs and domains visited, as well as the devices used by site users. The domain users' actions detected by the Facebook Pixel are tabulated in the Facebook Ads Manager dashboard.
If you want to implement the Facebook Pixel on your domain to track domain users and load the advertising content dynamically, make sure that your banner script is capable of opt-in and pit-out functionality based on domain users' consent preferences.
A Facebook Pixel consists of two parts:
JS - Snippet 1
<!-- Facebook Pixel Code --><script> !function(f,b,e,v,n,t,s) {if(f.fbq)return;n=f.fbq=function(){n.callMethod? n.callMethod.apply(n,arguments):n.queue.push(arguments)}; if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0'; n.queue=[];t=b.createElement(e);t.async=!0; t.src=v;s=b.getElementsByTagName(e)[0]; s.parentNode.insertBefore(t,s)}(window, document,'script', 'https://connect.facebook.net/en_US/fbevents.js';); fbq('init', 'your-pixel-id-goes-here'); fbq('track', 'PageView');</script><noscript> <img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=your-pixel-id-goes-here&ev=PageView&noscript=1"/>;</noscript><!-- End Facebook Pixel Code -->JS - Snippet 2
<!-- Facebook Pixel Code --><script> !function(f,b,e,v,n,t,s) {if(f.fbq)return;n=f.fbq=function(){n.callMethod? n.callMethod.apply(n,arguments):n.queue.push(arguments)}; if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0'; n.queue=[];t=b.createElement(e);t.async=!0; t.src=v;s=b.getElementsByTagName(e)[0]; s.parentNode.insertBefore(t,s)}(window, document,'script', 'https://connect.facebook.net/en_US/fbevents.js'); fbq('consent', 'revoke'); fbq('init', '{your-pixel-id-goes-here}'); fbq('track', 'PageView');</script><noscript> <img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=your-pixel-id-goes-here&ev=PageView&noscript=1"/>;</noscript><!-- End Facebook Pixel Code -->