Sometimes, it is useful to supplement your research with information from a website. Government statistics can be especially useful. Evaluation becomes much trickier on the open web, however, because anyone can publish there.
Look on each website for an "About Us" page to answer some of the following questions:
Who is the author?
What are his/her qualifications?
Why was the website created?
When was it last updated?
How reliable is the information?
To learn how to evaluate each question, see our guide How to...Evaluate Websites.