Copy the pixel by clicking the Copy Code button. Place it in the <body></body> section of your HTML page.
Example
<html>
<head>
</head>
<body>
<script>(function(e){var t=document,n=t.createElement("script");n.async=!0,n.defer=!0,n.src=e,t.getElementsByTagName("head")[0].appendChild(n)})("https://go.flx1.com/144-23021.js?id=23021&m=144")</script>
</body>
XML