Chrome DevTools, Inside Out Chrome DevTools: a suite of tools to debug and profile the performance of your site. They're bundled with every copy of Chrome, and you have every reason to learn what they're capable of.

Starting with the basics of inspecting HTML and CSS, we will then tour debugging scripts line-by-line and profiling performance. We'll also find out the features that help you automate work and save time. If you've always wanted to know how to debug CSS and Javascript, this talk will help you demystify your code and not make things worse by guessin'.