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Web Performance Measurement with Fiddler

Velocity 2010

My deck from the Velocity 2010 Lightning Demo.

Learn more about FiddlerCore.

Resources

Learn about Performance Tuning with Fiddler.

My talk at the Velocity 2008 Performance Conference and the associated slide deck.

Check out the Fiddler Tutorial Videos.  Video #3 covers Performance Measurement.

Want Fiddler to add latency to all requests?  Check out the Latency Extension for a simple way to do this.

Expert Analysis

neXpert is an add-on to Fiddler which aids in performance testing web applications. Learn more...

neXpert UI

Deep-Dive

Advanced readers may want to take a deep-dive into the nitty-gritty of performance measurement techniques and the Observer Effect.  Fiddler is not designed for low-level TCP/IP measurement; for that, you want to use a tool like NetMon + VRTA. Of course, it's important to keep in mind that the vast majority of site performance problems have nothing to do with TCP/IP-level details. Any low-level measurements you take are likely to be specific to your environment, and cannot necessarily be generalized to other environments worldwide, with different proxy configurations, etc.

Tips & References for Optimizing Performance



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