Video and slides synchronized, mp3 and slide download available at URL http://bit.ly/1kyy4NQ. Panos Astithas presents some of the debugging, profiling and tracing tools available to web developers today. Filmed at qconsf.com. Panos Astithas is a software engineer at Mozilla, working on Firefox Developer Tools. He has worked for more than fifteen years as a senior developer, development lead and architect in various organizations. Panos holds a PhD from the National Technical University of Athens focusing on computer network security.