Use the REAL test to help you evaluate websites:
R - Read the URL The web address can tell you information about the site such as which country or type of organization owns the site.
E - Examine the site's content Does this site provide information relevant to your task? Is it reliable? Is it current?
A - Ask about the author Who is the author of the site? Is this someone who is an authority in their field?
L - Look at the site Does the site look like a student's work? Is it filled with advertising? Does it look professional?