Currency: The timeliness of the information.
When was the information published or posted?
Has the information been revised or updated?
Is the information current or out-of-date for your topic?
Are the links functional?
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?
Is the information at an appropriate level?
Have you looked at a variety of sources before determining this is one you will use?
Would you be comfortable using this source for a research paper?
Authority: The source of the information.
Who is the author/publisher/source/sponsor?
Are the author's credentials or organizational affiliations given?
Is the author a teacher or student of the topic?
Does the author have a reputation?
Is there contact information, such as an e-mail address?
Has the author published works in traditional formats?
Is the author affiliated with an organization?
Does this organization appear to support or sponsor the page?
What does the domain name/URL reveal about the source of the information, if anything?
Accuracy: The reliability, truthfulness, and correctness of the informational content.
Where does the information come from?
Are the original sources of information listed?
Can you verify any of the information in independent sources or from you own knowledge?
Has the information been reviewed or referred?
Does the language or tone seem biased?
Are there spelling, grammar, or other typos?
Purpose: The reason the information exists.
Are possible biases clearly stated?
Is advertising content vs. informational content easily distinguishable?
Are editorials clearly labeled?
Is the purpose of the page stated?
Is the purpose to: inform? teach? entertain? enlighten? sell? persuade?
Are there political, ideological, cultural, religious, institutional, or personal biases?
(courtesy of http://neiu.edu/~dbrosas/CRAAPtest.html Northeastern Illinois University and the original creator California State University Chico http://www.csuchico.edu/lins/handouts/eval_websites.pdf)