The page views is pulled from the original google list. They have more information at: http://www.google.com/support/adplanner/bin/answer.py?hl=en&answer=180594

The page views is pulled from the original google list. They have more information at: http://www.google.com/support/adplanner/bin/answer.py?hl=en&answer=180594 http://www.google.com/support/adplanner/bin/answer.py?hl=en&... They don't say what time frame page view is, but they do say unique visits is over the course of 1 month - so its probably safe to assume page view is also over 1 month.