It would take a long time to get "up to speed" (setting the speech rate to 2x or 4x like a real user) but a lot of them have modes that show the spoken text on

It would take a long time to get "up to speed" (setting the speech rate to 2x or 4x like a real user) but a lot of them have modes that show the spoken text on screen. That should let you test some basic a11y features like the "skip to main content" links.