Use Snopes http://snopes.com to track down facts versus rumors & urban legends.
Web Page Evaluation Checklist
• be suspicious
• think critically about every page you find
RYT Hospital http://www.rythospital.com Innovative therapies offered
Lacuna http://www.lacunainc.com/ Offers cure for depression
Dihydrogen Monoxide Research Division http://www.dhmo.org/
Which is the REAL World Trade Organization? World Trade Organization or World Trade Organization
Is the author or organization responsible for the page clearly identified?
This is where Wikipedia falls short
Are the author's credentials on the subject stated?
Look For: About us, Contact us or Google the sponsoring organization
Can unique information be verified in other sources?
Think especially of Wikipedia information
Were established research standards used?
"Studies show...." is not acceptable without specific sources or studies cited.
Are references cited?
Are there advertisements on the site? Do the advertisements have a direct relationship to the content of the site?
One example is drugs or vitamins for sale or advertised on a health related web site
Is the page or site promoting a particular viewpoint? An .org may use facts selectively to promote their viewpoint.
Check the purpose of organizations such as FAIR http://www.fairus.org/ If you check About FAIR you will find that the organization has adopted a very specific position and is not likely to present both sides of the immigration issue.
Are value statements made in absolutes (best, worst, 100%, etc.)?
Is information withheld and only views or facts supporting the organization or sponsor viewpoint presented?