Not sure when this took effect, but a simple public facing web application we wrote using jQuery.ajax for doing our form posts nicely started not working on iOS devices. The reports came in occasionally, but not with any fervor, so we chalked it up to user error. However, one day after the 10th report came in, I decided to check on my iPad Air, and... hmmm "Server didn't respond within the timeout". I don't have a Mac so debugging Safari directly on iOS is virtually impossible for me, (Thanks Apple! ......