Security: if you're mega-paranoid or unwilling to keep up with patches, going static reduces your attack vector. Performance: your web server will be able to ha

Security: if you're mega-paranoid or unwilling to keep up with patches, going static reduces your attack vector. Performance: your web server will be able to handle more traffic without the overhead of php. Of course, if you need any kind of dynamic processing on the server, you'll need to move beyond static pages.