<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<!--
user_pref("browser.send_pings", true);
-->
<script>
function boom() {
var aLink = document.createElement('a');
document.body.appendChild(aLink);
aLink.ping = "ping";
aLink.href = "href";
aLink.click();
var baseElement = document.createElement('base');
baseElement.setAttribute("href", "javascript:void 0");
document.head.appendChild(baseElement);
}
</script>
</head>
<body onload="boom();"></body>
</html>