Untitled

<head>
<meta charset="utf-8">
  <script src="https://connect.facebook.net/signals/config/XXXXXXXXXXXXXXXXXXXXXXXXXX?v=2.8.42&amp;r=stable" async=""></script>
  <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', 'XXXXXXXXXXXXXXXXXX');
  fbq('track', 'PageView');
  fbq('track', 'Lead');
  fbq('track', 'Purchase');
  </script>
  <noscript><img height="1" width="1" alt="" style="display:none" src="https://www.facebook.com/tr?id=XXXXXXXXXXXXX&ev=PixelInitialized" /></noscript>
</head>

/Тут идет остальная часть кода Вашей страницы