Interesting applications of webkit

I just figured out a reflow reducing technique. Needs a headless browser which gives access to DOM and render tree though, so i thought i'd try something that is open sourced:

And look what i ran into :)
http://code.google.com/p/phantomjs/wiki/Interface

Seems pretty neat, i'm going to try this over the weekend.

Edit: CasperJs seems to be a wrapper on top of PhantomJs :)
http://n1k0.github.com/casperjs/