auto click

<!doctype html>
<html lang="en">
 <head>
  <meta charset="UTF-8">
  <title>Index</title>
  <script>
  window.onload = function(){
     location.href = document.getElementById("puff");
  }
  </script>
 </head>
 <body>
<a href="https://www.google.pt" id="puff">asd</a>
 </body>
</html>