the number of times a specific web page is requested to be viewed. Page views are not the same thing as banner views (some users choose to turn all graphics off in their browser and thus they will load the page but not see a graphic banner ad that may be there, as well as any other graphics).
The amount of times a webpage has been delivered to a browser.
The number of times that a page is called up by visitors to a site. By counting page views, you can establish which pages are read the most.