@Jeffrey That's a good question.

I could only refer to folks like @meerschweinchen83 and @hspmauli and ask them about what they use for #TextToSpeech and #accessibility.

In terms of accessing the #Internet, one may want to consider the combination of #LynxBrowser, a #TUI / #CLI browser + @ActionRetro 's #FrogFind, which is an "#AccessibilityProxy" in that it allows browsing the web on ancient machines and said browser:
https://www.youtube.com/watch?v=c_v2_vTogS8

You can give it a try at:
http://frogfind.com

One can even #SelfHost #FrogFind, since it's #OpenSource:
https://github.com/ActionRetro/FrogFind