More information about Keynote testing:
“Keynote Web Performance Test and Measurement Products monitor from the end-user’s perspective and show you precisely how your e-business performs at the application, transaction, and infrastructure level in real time.
Our measurement products utilize our global test and measurement network, which represents the widest geographic coverage of online users in the world. You can test, measure and improve your service levels in real-time from more than 2,400 measurement computers and mobile devices in more than 240 locations and 160 metropolitan areas.” (Keynote, 2008)
References
Keynote, Improve Customer Experience and online presence, Retrieved October 22, 2008, from http://sem.keynote.com/keynote/sem_mm/July06_SEM_CEM_Usabil_Testing.jsp?channel=Google&adgroup=Usability&camp=Customer_Experience/UX&keyword=Usability%20testing&s_kwcid=usability%20testing|1979746757&gclid=CNHWpI-VvJYCFQOcFQod4G-0xQ
