Shows how different HTML attributes behave in commonly used screen readers. The results include two types of test: Expected to work - these tests show support when accessibility features are used correctlyExpected to fail - these tests show what happens when accessibility features are used incorrectly (marked with ) alt NVDAJAWSVoiceOverEdgeFFCrEdgeFFCrMaciOS100% 98% 100% 100% 94% 100% 99% 90%