1. A method, comprising: monitoring an application to identify invocations of an instrumented component; determining a response time of each invocation of the instrumented component; determining an average of the response times in an X minute period; determining a severity of the average of the response times in the X minutes period; determining a rolling average of the response times in a Y minute period, where X and Y and numbers and Y>X; determining a severity of the rolling average; preparing a first web feed document for a first user type comprising, in a first <item> element, the average of the response times in the X minutes period and the severity of the average of the response times, the preparing the first web feed document comprises replacing placeholder elements in a <title> element of the first <item> element with the average of the response times and the severity of the average of the response times; and preparing a second web feed document for a second user type comprising, in a second <item> element, the rolling average of the response times in the Y minute period and the severity of the rolling average, the preparing the second web feed document comprises replacing placeholder elements in a <title> element of the second <item> element with the rolling average and the severity of the rolling average.