Description: Put the code under the HEAD tag, than Replace PASSWORD-HERE with your own, than replace SITE-LINK with the home page link.
Add this, to put a password for that PAGE so people cant get in without that password.
password=prompt('Enter your password in order to view this page!',' ');
if (password==pass1) alert('Correct password, OK to enter!');
Try and see if it works well for you.