Currency: The timeliness of the information.
Relevance: The importance of the information for your needs.
Authority: The source of the information.
Accuracy: The reliability, truthfulness, and correctness of the content.
Purpose: The reason the information exists.
By scoring each category on a scale from 1 to 10 (1 = worst, 10 = best possible) you can give each site a grade on a 50 point scale for how high-quality it is!
45-50 Excellent / 40-44 Good / 35-39 Average / 30-24 Borderline Acceptable / Below 30 Unacceptable