I would imagine this is due to user behavior. How often do you refresh a gmail tab? I leave mine open for days, so having it load the entire app slowly isn't an

I would imagine this is due to user behavior. How often do you refresh a gmail tab? I leave mine open for days, so having it load the entire app slowly isn't an issue. What is important is updating in realtime when a new email comes in and opening those almost instantly when I select them. If that is the norm, then initial page loads aren't nearly as important.