I try to recalculate my rep on all of the sites on a regular basis. It's not too much of a hassle, but to go through each site I'm on, go to the
/reputation page, recalc, go back, reload the page, etc., it becomes a bit of a chore.
I'm proposing a button on the
accounts tab of
stackexchange.com that would allow a manual rep recalculation over all of the sites that one is active on. Realizing that such a convenience would come at the price of an increased server load, just as the
/reputation page only allows a recalculation once every 24 hours, perhaps this new feature would be usable once every 3 days or 7 days.