C - Currency - is the information current or updated? When was it published? Test any links included.
R - Relevance - is the information important for your topic? Who is the audience? Compare it to other information you have found.
A - Authority - who is the author or sponsor? What are their credentials? Are they experts? Is there contact information?
A - Accuracy - What is the source of the information? Is it evidence based? Is there a review process for publication? Is there bias?
P - Purpose - informational, persuasive, educational, sales? Is it fact, opinion, propaganda? Look for bias - political, religious, ideological?
Question the authenticity of any site with multiple spelling or grammar errors.