Testing aria hidden

Software used for testing:

• Windows 10
• Chrome 81
• Firefox 76
• Internet Explorer 11
• Safari ?
• JAWS 2019
• NVDA 2019.3.1
• VoiceOver on iOS ? (iPad ?)
• VoiceOver on macOS ?
• ChromeVox on Chrome OS ?
• Talkback on Android ?, Chrome ?
• Orca ? Epiphany ?/ Webkit ?
• Orca ?, Firefox ?, Ubuntu ?
• Talkback on Android ?, Firefox ?

Results:

screen reader support for various methods of hiding content

test	expected behavior	JAWS + Chrome	JAWS + Firefox	JAWS + IE	NVDA + Chrome	NVDA + Firefox	NVDA + IE	VoiceOver macOS + Safari	VoiceOver iOS + Safari	ChromeVox + Chrome OS	Orca + Epiphany/Webkit	Orca + Firefox/Ubuntu	Talkback + Android/Chrome	Talkback + Android/Firefox
1. aria-hidden	content visible on screen ignored by screen reader	?	?	?	?	?	?	?	?	?	?	?	?	?
2. html5 hidden	content hidden (in supporting browsers) and ignored by screen reader	?	?	?	?	?	?	?	?	?	?	?	?	?
3. CSS display:none	content hidden (in supporting browsers) and ignored by screen reader	?	?	?	?	?	?	?	?	?	?	?	?	?
4. CSS off screen	content hidden (in supporting browsers) and announced by screen reader	?	?	?	?	?	?	?	?	?	?	?	?	?
5. HTML5 hidden aria-hidden=false	content hidden (in supporting browsers) and announced by screen reader	?	?	?	?	?	?	?	?	?	?	?	?	?
6. CSS display:none aria-hidden=false	content hidden (in supporting browsers) and announced by screen reader	?	?	?	?	?	?	?	?	?	?	?	?	?
7. CSS off screen aria-hidden=true	content hidden (in supporting browsers) and ignored by screen reader	?	?	?	?	?	?	?	?	?	?	?	?	?
8. HTML5 hidden aria-hidden=false on child element	content hidden (in supporting browsers) and ignored by AT.	?	?	?	?	?	?	?	?	?	?	?	?	?