Criteria to consider:

Who is the author/producer of the information?

	Some information sources clearly indicate who is responsible for the work. This may be an individual author, a corporate author, or a sponsoring agency such as an association or organization.
while others give no indication of authorship/responsibility.

Consider the following for web sites:

	Often, knowing who created a Web site can determine whether the information is reliable or not. Some Web sources clearly indicate who compiled or produced the information
while others give no indication of authorship or responsibility