If you treat progressive jpeg and sequential jpeg as separate image formats, then progressive jpeg is currently the fastest growing image format on the web. If

If you treat progressive jpeg and sequential jpeg as separate image formats, then progressive jpeg is currently the fastest growing image format on the web. If you look at the statistics, the opposite is true of what your feeling is. One thing that did change is that often the network is fast enough to make it unnecessary to show progressive passes, or if they're still shown, it happens quickly enough to be not really noticeable.