This, to me, is another one of those opinion threads... find all browsers and try them. Opinions best when yours.
Older versions may work better, just cross reference,
&c,,, to see if you can still update for security?
(As if. A nonstop process!
If you run a device pay or be the admin!
https://support.mozilla.org/en-US/questions/1207296)
You could also run those older versions and do your own security.
I have friends and family who run windows, with no script blockers and no virus protection because they go nowhere that needs them...
https://duckduckgo.com/?q=run+old+br...=b&t=hc&ia=web
Even better, 32-bit: https://www.knopper.net/knoppix/knoppix861-en.html IMH
O?
Have fun!
