<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Test title</title>
        <script type="text/javascript">
            window.onload = function () {
                console.log("Calling history.replaceState");
                history.replaceState({}, '', window.location + '?state=2');
            }
        </script>
    </head>
    <body>
        This page calls history.replaceState() via JS.
    </body>
</html>