add:
-webkit-backface-visibility: hidden;
-webkit-perspective: 1000;
backface-visibility: hidden;
perspective: 1000;
if you working with 3d transform.. it is a cheap trick BUT it will improve the performance espacially on iPad..
furthermore you can try to
-webkit-transform: rotateZ(0deg);
AFAIK rotations can boost the performance because gpu´s are much better in rotating something..
another way is to lay down an ‘without function’ transformation on each element on the screen..
please let me know if i could help you.