Who: Who is the author or sponsor of the website? Is that person or organization named? Is any supporting documentation available?
What: What is the mission or purpose of the website? Is it clearly articulated? What kinds of materials are on the website? Are they properly cited and acknowledged? What is the document format on the web?
Where: Where is the site located? Is there a physical address with phone number and email address for a contact person? Does the site have a .edu, .org, or .com address?
Why: Why does the site exist? Does it have a point of view or opinion? Is it pedagogical or polemic? Does it want something from you?
How to read a Paper (University of Waterloo, Canada): This is an excellent paper that teach you how to read an academic paper, how to determine if it is something to set aside, or something to read deeply. Good advice to organize your literature for the Literature Review or just reading for classes.