Accuracy Are the facts presented reliable and are source checkers identifiable? Authority Who is the author/creator? What are the credentials of the author in relation to the site subject matter Objectivity Goals/aims clearly stated? Evidence of bias or author trying to sell something? Currency How current is the information and do links still work? Date of last update and how often is the site updated? Scope/Relevancy What is the purpose of the site and who is it intended for? Are the links relevant and appropriate? Stability Is the URL stable? Ease of Use Is the site easy to navigate? Does it provide a help button and/or search box? Wikipedia Not an authoritative source Anyone can edit it Can provide a quick overview of a topic