For vector animation, as well as optimised bitmap animations Flash was blazing fast and GPU accelerated. Granted the plugin in general was bloated, and lots of

For vector animation, as well as optimised bitmap animations Flash was blazing fast and GPU accelerated. Granted the plugin in general was bloated, and lots of Flash objects on a page slowed your browser down, but once it got going (for example in a full screen game or whatever) Flash was very efficient. I'd say the web platform has not yet caught up.