Adding tracking codes to your page allows you to track the progress of your page's performance. Knowing the performance of your page gives you a better direction on how to adjust or improve your campaign pages. You can get these codes from 3rd party trackers like Google Analytics and Facebook Pixels then just insert it to your page to start tracking.
Add Page Tracking Codes
Open the page for editing
Click Tracking on the left side menu. This will open up a window to paste in your codes.
Enter the custom scripts on the text area. Click the tabs to choose which area the scripts should appear.
<head> - enter scripts to place in the <HEAD> of this page
<body> - enter scripts to place after the OPENING <BODY> tag
</body> - enter scripts to place before the CLOSING </BODY> tag
Click Save Settings