<!DOCTYPE html>
<html>
<head>
<script src="https://tracking.example.com/browser/toolkit/components/antitracking/test/browser/empty.js"></script>
<script src="https://tracking.example.com/browser/toolkit/components/antitracking/test/browser/empty.js?redirect"></script>
<script src="https://tracking.example.com/browser/toolkit/components/antitracking/test/browser/empty.js?redirect2"></script>
</head>
<body onload="parent.postMessage({data:document.querySelectorAll('script').length}, '*');"></body>
</html>
