In my "limited understanding " of "web tech"? I thought it may be possible to use some kind of manipulative? and/or filtering? proxy to allow old ipads to use modern websites. This proxy could be remote like on a amazon or some other server somewhere OR as a embedded device that just operated on wifi. My background is as a electronics engineer who worked in embedded software dev ( few years) and then as a software test analysist (many years) . I have several "old" ipads ...