[Edit] I had misunderstood the quoted Mozilla performance claims[0] to be related to processing speed, whereas they refer to performance being a measurement of

[Edit] I had misunderstood the quoted Mozilla performance claims[0] to be related to processing speed, whereas they refer to performance being a measurement of quality. Thanks sp332 for the correction. [0] http://people.mozilla.org/~josh/lossy_compressed_image_study_july_2014/ http://people.mozilla.org/~josh/lossy_compressed_image_study...