> If you have reasonably low traffic CGI can get you really far.
And even after that, I would expect that CGI augmented with some careful caching (read: all static content and some dynamic content with sensible expiration policies) will get you even farther without having to dramatically change anything.
And even after that, I would expect that CGI augmented with some careful caching (read: all static content and some dynamic content with sensible expiration policies) will get you even farther without having to dramatically change anything.