1. Accuracy
Is the document well written and free of errors? Are facts and statistical data verifiable?
2. Authority
What are the credentials of the author? What is the domain of the document? (Such as, .com, .gov, .org, or .edu)
3. Objectivity
What are the goals of this document? Are there any advertisements? Is the advertiser/sponsor likely to have bias?
4. Currency
When was the page created? How often is the site updated? Are there any broken links?
5. Coverage
Is the content factual or opinion? Has the information been cited correctly?
Source: Cornell University Library, Five Criteria for Evaluating Web Pages