Quote:
Originally Posted by SaintDog
Digg and quite a few other websites use such a script as well. It either is not as resource intensive as it may seem or they all have powerful enough servers to not have to worry about it  .
If you're on a cluster or a load balanced setup, you probably wouldn't have anything to worry about.
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Which leaves the other 99.9% who's sites would come to a crawl.
This kind of thing is what gives AJAX a bad rap. The purpose of AJAX is to give the end user interactive feedback as close to realtime as possible. To simulate the look and responce of a desktop application.
It is not designed as a non interactive page refresher. It's a good thing they don't release it.