When not to use AJAX
Something different for a change. AJAX is a nice tool to have under your belt, but the question is: is it always necessary? Just as in the early 90s, animated gifs were everywhere – some cool effects too – but they can get a touch boring when over-used. Well, here are some occasions where you should not use AJAX. Very enlightening. By the way, there is also a nice list of tutorials at the end of the article.