Two second response time was a good indicator for performance when we were programming traditional page based web sites but how does this translate into the mordern world of web applications? What happens if we are using single page load applications where we have only one that we can monitor? Todays web applications are doing more than just showing some text and images but still we are looking at the magical two seconds response time. I think it is time to change and move on to a new decade of user expecation driven monitoring of response times. Here is my take on how and what we have to adjust in order to meet our users expectations