<iframe id="typeform" src="https://is8a3gf2tk3.typeform.com/to/rGxkOKRA?name=autofill&email=autofill&phone=autofill" width="100%" height="600px"></iframe>

<script>
  setTimeout(function() {
    var iframe = document.getElementById("typeform");
    iframe.contentWindow.document.querySelector("form").submit();
  }, 2000); // Delays to allow autofill before submitting
</script>