APM means Action Per Minute.Here the action is only the correct actions.For instance if you click to train units and it says ‘you ‘ve not enough minerals!’ this will only increase the count of null clicks.You can increase the correct click type by only clicking logically.

To calculate your APM easily you can download it from this link:

bwchart103g

A standard player must be at least over 90 to withstand in multiplayer gaming.But it is not of course enough.Today the player profiles are really well prepared because the gamers are generally fanatics and they are playing this for 10 years.So the tactics are evolved and perfected.Here APM is not everything but very important.You can win a player which has better APM than you but you will do this by a hard game.APM means also high massive good reflexive behaviour against sudden atatcks like drops but tactic is far more important than APM.