w3 total cache with page speed service

hello

I use google page speed service on http://www.androidgalaxy.org/ together with w3 total cache and enabled page cache and browser cache. I am also using cdnify cdn.. but when test on page speed insights i am getting leverage browser caching and eliminate render-blocking js and css, optimize image.. so how to solve this

http://wordpress.org/plugins/w3-total-cache/