• Who wrote the page (author)? Qualifications? Reputation?
• Who is responsible for the page (publisher)?
• Is it a personal page?

  You can check a site's domain name using whois.net to determine who sponsors the site.

Accuracy

• Is the information verifiable by other sources?
• Is there a bibliography?
  e.g., Dihydrogen Monoxide

Objectivity

• What is the author's point of view?
• Is there a statement of purpose or philosophy?
• Selling? Promoting? Venting?
• Sponsored?
• Where do related links lead to?
• What is implied but not said?
  e.g., Martin Luther King, A Historical Examination, http://www.martinlutherking.org

Coverage

• What topics are covered?
• How in-depth is the material?
  e.g., George W. Bush, http://www.whitehouse.org

Currency

• How important is currency to your topic?
• How current are the links?
  e.g., Roget's Thesaurus at http://humanities.uchicago.edu/forms_unrest/ROGET.html or http://www.bartleby.com/thesauri/