Authority
who has written this information? what credentials does this person/group have on this subject? Is your source credible? What is the reputation of the source or content author?
Source
who is responsible for the Web site? what organization is hosting (and paying to keep alive) this page?
Purpose
why does this site exist? why was it created? Who is the intended audience?
Accuracy
is the information accurate? can it be verified through another source? is the language objective and impartial or is it subjective and inflammatory? is the information or research documented?
Depth
how thoroughly is the topic covered? is it written for college level research? is the information sufficiently complete for your purposes?
Currency
when was the information published or last updated? does the date matter to your research?
To evaluate a journal article look for:
Organization and Content: Is the material organized and focused? Is the argument or presentation understandable? Is this original research, a review of previous research, or an informative piece?
Authority: Is the author an expert in this field? Where is the author employed? What else has he/she written? Has he/she won awards or honors?
Coverage: Does the article cover the topic comprehensively, partially, or is it an overview?
Illustrations: Are charts, graphs, maps, photographs, etc. used to illustrate concepts? Are the illustrations relevant? Are they clear and professional-looking?