Does your topic require up-to-date information or will older sources work or perhaps even be preferable?
Is there only one date for the entire website or do content pages have dates too?
If on a website are the links still live or do they lead to dead or missing pages?
Relevance
Who is the intended audience?
Is the information at an appropriate level for your needs (i.e. not too basic or too advanced)?
Does the information relate to your topic or answer your question?
Is the information just summary of other perspectives or does it add its own content?
Authority
Who is the publisher/author/source/organization?
What qualifies this author/creator to provide this information?
What credentials or affiliations does the author/creator have?
Is there contact information where the publisher or author can be reached? (If a print or database source try doing a web search for the publisher/author to get more information)
If on a website, what URL does the site use and what does that tell you about the source? (.com .edu .gov .org .net)
Accuracy
Where does the information come from?
Is the information supported by evidence?
Are there any references?
Is there a bibliography?
Can you verify the information from another source?
Are there spelling, grammar, or typographical errors?
Is the language emotional or appear to be strongly biased?
Purpose
What is the purpose of the information? Is it designed to entertain, inform, educate, sell, persuade?
Is the intent of the information clear?
Is the information fact or opinion?
Does the point of view appear to be objective and impartial?
Are the ads clearly separated from the information?