Web Inspector Updates for WebKit Nightlies

Excellent upgrades to WebKit’s already-great Web Inspector, including a new Timeline feature:

Imagine that you’ve optimized your site’s network interaction using the Resources Panel and tuned all of your JavaScript using profiler in the Scripts Panel. Still, there are operations that could be taking a considerable amount of CPU time such as parsing HTML, calculating styles, painting, and others that you don’t normally see. Some of these operations may happen when you don’t necessarily expect them to. Its easy to guess that assigning an element’s innerHTML to a string results in HTML snippet parsing, but changing other element properties may trigger style calculations you didn’t expect. Now there is a way to analyze that.