The fact is your iPad is old and obsolete now.
There are many things these old 8-10-year old iPad models are simply NOT capable of, any longer.
You may have gotten your AOL mail to work for you, for now, but eventually, in the near future, these old 8-10 year old iPads will no longer function.
You will NOT be able to use them for simple Web surfing or email in the very near future.
FYI,
Apple ended support for all 8-10-year old iOS devices well over 4 years, ago, in 2016.
Third party app developers abandoned and stopped supporting these 8-10-year old iOS devices nearly 3 years, ago, in 2018.
There are, virtually, NO MORE third party apps available from the iOS App Store, any longer!
None!
AND, that over 4-year old default iOS Safari Web browser is too old, not secure and not safe to use to access the Internet, any longer.
There are virtually NO MORE third party Web browsers left for 8-10 year old iPads!
Available and more popular third party Web browser choices are pretty much GONE, now.
If you must use these old iPad models, here is what is left for still updated Web browsers.
Pickins’ are slim, now!
ALook Web browser ( A fairly new Web browser primarily designed for old iOS device versions, but is still available to newer iOS/iPadOS devices, as well )
Dolphin Web browser
Maxthon Web browser
TOR private browser
TOR + VPN private browser
Turbo VPN private browser
This is pretty much it for iOS 9/10 compatible, third party Web browsers today.
Sorry, but this is the reality for ALL 8-10-year old AND OLDER iOS devices now. Especially going into 2021!
You may not like being given this information, but it does not changed the facts.
Soon, iPad 2, 3, 4 and 1st gen iPad Mini models will have no more functional, online support.
Sorry.
But maybe it’s really time to consider a new or “newer”, used iPad model.
Do what you will.