Creating web page load "waterfall" images automatically
thwarted: I was going to implement something like this a few years ago, then Firebug got its network stats page, and safari/chrome/webkit have it too.  I was using bootchart ( http://www.bootchart.org/ ) for inspiration, but found out I didn't actually need an image of the loading once I could get what I needed from the browser's developer extensions, and I never ended up scratching that itch.