Giffgaff HTTPS needs different redirect
If you type "www.giffgaff.com/activate-sim", it currently redirects you to "https://www.giffgaff.com/activate-sim", which gives you various warning messages about it being a phishing site. Instead, it should redirect to "https://giffgaff.com/activate-sim".
Trac:
Username: 6BDEjUbM$.Li