Evaluating Sources

Authority
Who is the author of the page?
Can you identify their qualifications for providing this information?
Is there contact information for the author?
Accuracy
Are sources provided for the information included?
Is the information itself verifiable from another source?
Objectivity
Are there signs of bias and/or subjectivity?
What is the purpose, to inform or pursuade?
Are alternative or opposing views or arguments represented?
Coverage
Is the material original?
Is it a brief summary or an in-depth report?
Is there an indication that the material is complete? Does it cover just a certain time period?
Other Considerations
Purpose: is the information there to serve as a vehicle for advertisements? Is it a platform for opinion? Is it educational?
Origin: is the source an educational institution, the government, or a non-profit organization?
Does the infomation provided answer my question or back up my thesis? Does it raise other relevant questions?