The Ohio State University has developed a short quiz to test your ability to evaluate websites.
The quiz contains five multiple choice questions. Each question involves the evaluation of a single Web site, and then asks you to determine the site's primary purpose.
Give it a try ! Start the quiz by clicking on the link below.
Objectivity and Reliability
Duke University put together a great page on evaluating web resources including some great tips and ideas: http://library.duke.edu/services/instruction/libraryguide/evalwebpages.html