Evaluating Internet Sources
Georgetown University Library - Evaluating Internet Resources
Online Writing Lab - Evaluating Internet Sources
UC Berkeley Library - Evaluating Web Pages
Find Information About a Web Site
About.com - web site evaluations
Alexa.com - provides site demographics: popularity of site, owner of site, etc. Search for sites by topic.
Infomine - Scholarly Internet Resource Collections
Librarians' Internet Index - access reliable, trustworthy, librarian-selected websites.
Wayback Machine - Internet Archive - search over 10 billion archived web pages from 1996 to the present.
Wikipedia - can be a good place for a topic overview; ALWAYS verify information obtained from Wikipedia.
Read why you should NOT use Wikipedia as a source for a research paper:
Cornell University Digital Literacy Resource on Using Wikipedia
Wikipedia Founder Discourages Academic Use of His Creation
Wikipedia: Researching with Wikipedia