Some excellent resources to further your understanding of websites and the internet in general.
useit.com: Jakob Nielsen's Website
Jakob Nielson is one of the leaders in usability for the internet. In other words, he knows how to make websites easy to use.
A website for web developers that offers information on everything related to running a successful website.
Attack of the Zombie Copy
An article by Erin Kissane that helps you identify the worst kind of website content and what steps to take to fix it should it accidently end up on your website.
Vincent Flanders's Web Pages That Suck
Taking a lighter approach to informing people about websites.
Advanced Common Sense
Steve Krug's personal webpage. He is author of possibly the most valuable website book currently in publication, "Don't Make Me Think".