Web Performance
Measurement with Fiddler
Getting Started
Learn about Performance Tuning with Fiddler.
Also, check out my
talk at the Velocity 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...

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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