HTML

add delay to button

<button href="javascript:setTimeout(()=>{window. location = 'URL' },500);">
My Button</button>

delay button code

    <script src="//code.jquery.com/jquery-1.11.0.min.js"></script>
    <script>
    $(document).ready(function() {
      $('#mybutton').hide().delay(3000).fadeIn(2200);
});
    </script>