I meant under W3 there are more than one option for cache storage. http://i.imgur.com/OjbyvF2.png http://i.imgur.com/OjbyvF2.png and APC is faster than memcache

I meant under W3 there are more than one option for cache storage. http://i.imgur.com/OjbyvF2.png http://i.imgur.com/OjbyvF2.png and APC is faster than memcached in a single server environment http://stackoverflow.com/questions/1794342/memcache-vs-apc-f.. http://stackoverflow.com/questions/1794342/memcache-vs-apc-f.... I assume that most people using php most likely already have apc installed (or they really should).