Originally Posted by Little Darwin

The technique for me varies depending on the hill. For what some people call "rollers" (they are still hills to me) I prefer to attack, as the momentum helps get me up a significant part of the hill. The bridges I have ridden tend to fall into this category for me.

For longer/steeper hills, I just try to survive, so not exerting too much early on does help... and I suspect it would be the same for bridges or "rollers" when I an tired.