I came across a nifty little test today, How Many HTML Elements Can You Name in 5 Minutes? I scored 52, and was pleased to find that (most of) the ones I missed are in the lesser/never used category. See how you fare, just remember to be honest to yourself and do it all without
Category: HTML
Serving the correct MIME type
Working with XHTML is all very commendable, but if the default (read wrong) MIME type is sent to the UA then you are still only sending HTML documents out to browserland. If this is the case you may as well work with the HTML doctype. So how do you send the correct MIME type for