If you have a subscription, there is a thread on this tool in LaCava. Lots of good info there.
The advice I have been given in the past is you want to push the park with your hardest to get LL’s out as far as possible in your day order. I always visit HS later in the week for this reason. As far as order of LLMP’s, @Jeff_AZ has some excellent info in the lead post in the Lightning Lane Thread under WDW.