Rob Campbell: Debugging and Testing the Web with Firebug- Google Developers Blog
May 8, 2009

Summary
This post introduces Firebug as a key tool for debugging and testing the web, directly contributing to the thread's focus on performance profiling and optimization by providing developers with a means to inspect and analyze web page behavior.
More from the Performance Profiling and Optimization Tools trail
- An improved DevTools editing workflow- Google Developers Blog
- Google Web Toolkit 2.0 - now with Speed Tracer- Google Developers Blog
- Additional functionality for Google Chrome's Developer Tools- Google Developers Blog
- Steve Souders: Life's Too Short, Write Fast Code (part 2)- Google Developers Blog
- Announcing the Native Client Security Contest- Google Developers Blog