Having .rhtml files is great—they allow you to dynamically generate whatever visible HTML you want. But you can use
mod_ruby for more than that. A major portion of any well-designed modern website will be its stylesheets. One of the frustrations that web designers have to deal with is incomplete or incompatible CSS support among the various browsers. There are lots of potential solutions for those frustrations, which you can find at sites like http://www.richinstyle.com or http://alistapart.com. One obvious solution for programmers is to determine exactly which browser someone is using (via
ENV[‘USER_AGENT’]) and serve that user a stylesheet customized for his or her specific browser.
That’s a great ...