Why width 960px?

Question

I have a question regarding fixed layout. It has two parts, closely related, so I\'m putting in one question.

Part (a) Why 960px is suggested for th

Answer 1

I think the divisibility reason is the primary reason. { 2^6 , 3 , 5 } allows for (7*2*2)=28 scaling factors using six twos and the next two smallest primes

Also 960 = 1920/2 It also double to guard another use case : wherein user tile 2 windows side-by-side like browser on left side, and word processor on right.