My experience circa. 2008/9 was it was fine (used it on a commercial app in lieu of good enough web standards for the featureset). It was fast and reactive for

My experience circa. 2008/9 was it was fine (used it on a commercial app in lieu of good enough web standards for the featureset). It was fast and reactive for an app-like experience. Games were made in flash so it can't be that slow. Maybe slow for time to load. I think we got that down a bit and this wasn't to render content but a utility for a signed up user.