Find out where shortened URLs lead to without clicking
http://sites.google.com
https://accounts.google.com/v3/signin/identifier?continue=https%3A%2F%2Fsites.google.com%2F&followup=https%3A%2F%2Fsites.google.com%2F&ifkv=AaSxoQwyA9vxuwRwNiUcXpZofqk3lR073g1Jvx1ReMCnT0Hy0plVpOAhcCI7B0LDGTRaWI4aE8z5jQ&passive=1209600&service=jotspot&flowName=WebLiteSignIn&flowEntry=ServiceLogin&dsh=S302546817%3A1713998870790723