The CRAAP Criteria contains a list of questions to help you determine if the information you have is reliable.
Currency: The timeliness of the information.
When was the information published or posted?
Is the information current or out-of date for your topic?
Relevance:The importance of the information for your needs.
Does the information relate to your topic or answer your question?
Who is the intended audience?
Authority: The source of the information.
What are the author's credentials or organizational affiliations?
Does the URL reveal anything about the author or source?
examples: .com .edu .gov .org .net
Accuracy: The reliability and correctness of the informational content.
Where does the information come from?
Is the information supported by evidence?
Purpose: The reason the information exists.
What is the purpose of the information? to inform? to sell? to persuade?
Do the authors/sponsors make their intentions or purpose clear?
Does the language or tone seem biased? Is it free of emotion?
Based on Miriam Library Research Station - California State University Chico - http://www.csuchico.edu/lins/handouts/evalsites.html