Each panel serves a certain purpose and all of Firebug's panels are extremely useful, but throughout the book we will be mainly focusing on the following panels:

These three panels will be used the most throughout the book. We'll occasionally come back to the other panels, but we won't spend a whole lot of time with them. However, before we conclude this chapter, let's get a bit more familiar with the Console panel, since we'll be making heavy use of it in the coming chapters.