Progressive JPEGs: How to Publish Hi-Res Photos for iPad on the Web

Duncan Davidson:

After reverse engineering the limits and then later being pointed to the documentation about the limits, a birdie dropped a hint into my inbox telling me to try using a progressive JPEG file. Within just a few minutes, several people also chimed in noticing that the large iPad hero image is a progressive JPEG. I’ve not used progressive JPEGs in years, but following the lead of the birdie and the crowd, I gave it a shot. Lo and behold, it’s indeed the ticket to large JPEG joy on the iPad Retina display.

Friday, 23 March 2012

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