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windsurfer
Web apps should send flat HTML to the client. Following that, they should send a small bit of javascript to respond to clicks with a "please wait a moment" and cache the clicks. After that, the application can be loaded and can take over all the clicking and keyboard events.

This would reduce startup latency tremendously.

geuis
Sadly, I stopped reading when they got to recommending eval as a method for running js received over xhr.
mattdawson
What's so bad about using eval in this context?
blasdel
With XHR's same-domain policy, the JS had to come from you -- using eval introduces no exploits that weren't already present.