This appears to cover automated (Location header) redirects, but it is not mentioned whether it covers the far more numerous sites that use overlays to advertis

This appears to cover automated (Location header) redirects, but it is not mentioned whether it covers the far more numerous sites that use overlays to advertise a mobile app and incorrectly redirect to the mobile home page when the overlay is dismissed. Which is the same effect as the Location header redirect, but far more annoying (as you actually got to see the content you wanted for a brief moment behind the overlay).