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I also agree with per4form.
And for the power it gives, XOOPS is quite fast. I look at other CMS sometimes, and some of them process more than 100 queries for each page
We're looking forward to enhance this further, but the thing I'd advise to people really concerned about speed would be to host their site on a server which has the Zend optimizer installed (or an equivalent software).
Xoops 2 contains the Smarty engine which is by itself a quite big php class, and this kind of php level cache engines really speed up such applications.
Skalpa.>