For simple features with no requirement for an advanced user interface, simple adherence to standard HTML5 does provide an accessible feature. In this case, advice from W3C is not to use ARIA at all than to use it incorrectly.
For simple features with no requirement for an advanced user interface, simple adherence to standard HTML5 does provide an accessible feature. In this case, advice from W3C is not to use ARIA at all than to use it incorrectly.