<!DOCTYPE html>
<html>
<body onunload="myFunction()">
<h1>Welcome to my Home Page</h1>
<p>Close this window or press F5 to reload the page.</p>
<p><strong>Note:</strong> Due to different browser settings, this event may not always work as expected.</p>
<script>
function myFunction() {
alert("Thank you for visiting W3Schools!");
}
</script>
</body>
</html>