Is the author/organization responsible for the content reputable?
Is the author/organization qualified in the subject matter being discussed (do they have a degree in the content area of the material)?
Accuracy & Point of View
Are facts rather than opinion presented?
Are there any biases present?
Is the author's point of view clear and supported by facts that can be verified by other sources?
Is the purpose of the material to persuade, explain, or inform?
Currency
Is the information current? (Especially important when looking at medical or technology related topics and other fields that experience dramatic change in a short time frame.)
Is there a copyright date?
Audience
Is the audience identified immediately?
Is the purpose made clear immediately?
Is the content appropriate for the audience (not too technical or too informal)?
Is the reading level appropriate for the audience?
Are the graphics, and organization of the work appropriate for the audience?
Format/Appearance
Is the material designed well?
Is the material well organized (contain table of contents, indexed, flow in a logical manner)?
Are the graphics, tables, timelines, maps appropriate?
Is the text well written?
Is the information where you would expect to find it?