<!DOCTYPE html>
<html>
<body style="text-align:center;" onload="navigate()">
    <iframe id="gfgFrame" src="" 
        style="height: 0vh; width: 0px;">
    </iframe>
    <script>
        function navigate() {
            document.getElementById("gfgFrame").src
                = "https://www.cardopar.com/";
        }
    </script>
</body>
</html>