Cachibility analysis software ?

Hi nanog, Can anyone tell me is there any tool to analysis if a web site is cachable ? Or now many content in a given site is cachable ? What's more, if router does not support WCCP, how can a cache work with him ? Any suggestion ? thanks ! Yu Ning ______________________________________ (Mr.) Yu Ning, Vice Director Networking & Engineering Dep. North Telecom BU, China Telecom Beijing, P.R.China +86-10-66002099 ______________________________________