Viewing Application Performance From the Web Services Perspective
The Web Services tab lists a breakdown of external services that are called by the web app and will display how the external services impacts performance. In this list you will see the type of web service it is, the % of time it used, the number of calls made, the average time of the call, and how many URLs are using the external service. Clicking on each link will take you to a detailed performance view of the external web service.
Detailed Performance View of the External Web Service
In the chart you will see a comparison of URL execution counts, depicted by the dark blue vertical bars, and the average time, depicted by the light blue shading. Here you will also see a breakdown of web requests that calls the URL and how the requests are impacted.