metric

Ajax technology that refreshes content within a web page without reloading the entire page likely contributed to a drop in page views experienced at Yahoo; it also indicates the need for a new metric to replace page views as a measurement in ad performance.

I was just reading Jeneane Sessum's post about the latest Ze Frank/Rocketboom dustup and she's right, we need to measure stuff other than just whether a download got completed or not.

Hits eventually yielded to pageviews when it came to counting web traffic, but the growing usage of Ajax technologies that refresh content without triggering a new pageview could bury that metric.