The two-finger technique
You rest two fingers over the button and tap in an alternating rhythm — left, right, left, right — so each finger only has to move at half the total rate. With practice the pattern smooths out into a fast, even stream of clicks.
Getting a clean reading
Click for the full window rather than stopping early. Longer durations reward a steady alternation over a frantic start. Your top result is saved in the Best CPS pill.