That isn't built, but it's within the realm of possibility here. Other things I've thought about are some kind of automatic spriting, serving browser-targeted J

That isn't built, but it's within the realm of possibility here. Other things I've thought about are some kind of automatic spriting, serving browser-targeted JS to remove compatibility layers, etc. (Also serving all the CSS/JS on the page itself would be fairly easy with the way skit works — the other stuff I mentioned is farther flung.)