In this article, the author discusses how to use built-in IIS monitoring tools to access and graph performance counters, configure logging in IIS, and query your logs with Microsoft's Log Parser Studio. They also explain how to use a diagnostic tool to investigate memory leaks and high CPU utilization in your application pools and worker processes. The author covers the key points of using PowerShell scripts, Performance Monitor, and the IIS Administration API to access performance counters. Additionally, they discuss configuring web service logs and querying them with Log Parser Studio. Finally, they introduce DebugDiag as a tool for analyzing memory dumps and integrating with IIS to investigate performance issues.