don't forget to clear you browser cookie and history
start app
sudo PORT=80 node app.js
set hosts
127.0.0.1 www.evercookie.com
then, visit http://www.evercookie.com to check.
start app
sudo PORT=80 node app.js
set hosts
127.0.0.1 www.evercookie.com(/public/iframe/index.html will use this domain)
127.0.0.1 www.mypage.com
then, visit http://www.mypage.com/iframe/index.html to check.