Perceived Affordances and the Functionality Mismatch(tink.uk)
tink.uk
Perceived Affordances and the Functionality Mismatch
https://tink.uk/perceived-affordances-and-the-functionality-mismatch/
https://tink.uk/perceived-affordances-and-the-functionality-mismatch/
Also, isn't the accessibility of radio buttons for keyboard users something you simply learn? <Tab> isn't the panacea of getting around a web page with a keyboard. I think of <Tab> as navigating interactive elements by default, but within those elements the arrow keys allow more granularity. Several instances of that behavior, including radio buttons, shown here: https://webaim.org/techniques/keyboard/#testing