If you add this code on your site it will be password protected.

Just type your password where it says "PASSWORD HERE" and it will be protected.
<script language="JavaScript"> <!--hide var password; var pass1="PASSWORD HERE"; password=prompt('ENTER PASSWORD PLEASE'); if (password==pass1) alert('CHANGE MESSAGE HERE SUCH AS CORRECT PASSWORD!'); else { window.location="PAGE WHERE THE PERSON ENDS UP GOING IF INCORRECT"; } //--> </script>