I've never had the broken back button behaviour, but often, when a site is down, the indirection page replaces whatever I was looking at with a blank screen whi

I've never had the broken back button behaviour, but often, when a site is down, the indirection page replaces whatever I was looking at with a blank screen while the real site tries to load. For a technology that's meant to be completely invisible, it doesn't do a great job of hiding itself.