Strongly optimize the loading speed
Speed is important for customers. Using the fastest nameserver, the SPDY protocol, optimize the images, combine the CSS and JS, use many different CDN server to parallelize the download could strongly speed up the website loading.

All of these items, except for SPDY support, are already standard features of Ezoic.
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hyperreview commented
mmm.. could you please try to test this page: http://tools.pingdom.com/fpt/#!/bVD5GF/http://www.superinformati.com/diete/le-15-diete-piu-famose-e-le-piu-efficaci.htm
And then change your windows host file to resolve the DNS directly to the VPS and test again?
46.101.176.35 www.superinformati.com12 seconds agains 2-3 seconds..