"Suppose you've spent months--if not years--of your life learning the hottest Web technologies. You've read developerWorks articles, you've bought books, you've played around in your Mac OS X Terminal and on your Windows shell. And you've managed to build a terrific Web application, with nearly 100 pages--some static HTML and some generated with PHP scripts. You've even started to add some Ajax technologies and cool effects to make your sites more interactive and responsive. You're on top of the Web programming world.
"Then, you wake up one morning, and all that's left of your site is a full-page banner ad for a site you'd rather not be associated with. On top of that, your shopping cart has slowed to a crawl because thousands of packets of useless data are slamming into your Web site, creating annoyance and outright anger in your customer base..."
