Profiler
From DocForge
A profiler is a software tool that gives you the ability to analyze your source code and determine bottlenecks or generally see which parts of your code are slow and could use a speed boost.
[edit] Popular Profilers
- Xdebug - Xdebug is defacto profiler for PHP.
- FireBug - JavaScript client side profiler and debugging environment.
- MySQL profiler - MySQL internal profile, lets you examine queries.
