The good news is that browsers aren't the issue for us at Urban Airship. The bad news is that it's worse: it's an infinite number of HTTP libraries of varying q

The good news is that browsers aren't the issue for us at Urban Airship. The bad news is that it's worse: it's an infinite number of HTTP libraries of varying quality that hit our API. Some from pretty much every imaginable platform capable of HTTP: from mobile devices to VBA in Microsoft Access: http://help.urbanairship.com/discussions/questions/161-using-vba-to-trigger-notification http://help.urbanairship.com/discussions/questions/161-using... If the HTTP standard allows it, we probably need to support it (or degrade in a standards compliant way) because someone will try to use it.