Faster start-ups are fine, and all, but I'm much more interested in what happens after the start-up. For example, I'd be more interested in knowing what is caus

Faster start-ups are fine, and all, but I'm much more interested in what happens after the start-up. For example, I'd be more interested in knowing what is causing Firefox to consume 500-600 MB of memory, once a few hours have passed.