[the8472]

The idea is not new, but the gif renderers in browsers have a minimum frame rate, they turn 0-delay frames something larger.[0]

So that doesn't really work for looped animations.

But for single pass you can incrementally build a higher-color image, similar to interlaced loading.[1]

[0] http://nullsleep.tumblr.com/post/16524517190/animated-gif-mi... [1] https://en.wikipedia.org/wiki/GIF#True_color

[joosters]

That first link is interesting, thanks.