Contrary to what I noted earlier http fmos...
Contrary to what I noted earlier, `mod_pagespeed` may be used together with Z-Push (thanks to Grayson Peddie for the hint). Any interference with the relevant parts can be prevented by the following lines in the module configuration: ModPagespeedDisallow */z-push* ModPagespeedDisallow */Microsoft-Server-ActiveSync* source: Z-Push forum thread