The Illusion of Control in Web Design
alistapart.com

Aaron Gustafson:

Last week, two events reminded us, yet again, of how right Douglas Crockford was when he declared the web “the most hostile software engineering environment imaginable.” Both were serious enough to take down an entire site—actually hundreds of entire sites, as it turned out. And both were avoidable.

Start simply. Code defensively. User-test the heck out of it. Recognize the chaos. Embrace it. And build resilient web experiences that will work no matter what the internet throws at them.