Excerpt
Below you can find keyboard commands for navigating and testing web page accessibility using the NVDA screen reader, a free download compatible with PCs using Windows 7 10 and later.

Recommended Combinations of Browsers & Screen Readers

Mac	Safari + VoiceOver
Windows:	Firefox + NVDA Chrome + NVDA IE + JAWS + NVDA Edge + Narrator
Mobile	iOS: Safari + VoiceOver Android: Chrome + TalkBack (Firefox + TalkBack is secondary)

Function	Keyboard Command
Turn NVDA on	Control + Alt + N
Turn NVDA off	Insert + Q
Control	Mute
Headings	H
Go to next heading of level [1-6]	Num pad [1-6]
Show all Headings	Insert + F7
Show all Links	Insert + F7
Goto next link	K
Goto next unvisited links	U
Goto Graphics	G
Goto landmarks	D
Go backwards: Headings, landmarks, table, focusable items	Shift + [H, T, D, Tab, etc]
Toggle between: Radio buttons <select>list items Tabs (ARIA widget) Tree view items (ARIA widget) Menu items (ARIA widget)	Up and down, left and right arrow keys

Function	Keyboard Command
Continuous reading whole page	Insert down arrow, or Num Pad +
Read next line	Insert down arrow, or Num Pad +
Read next focusable item(e.g link, button)	Tab
Say prior line	Up arrow or Num Pad 7
Say previous line	Down arrow or Num Pad 7
Start of a line	Shift + Num Pad 1
End of line	Shift + Num Pad 9
Say previous sentence	Alt + up arrow
Say next sentence	Alt + down arrow
Go to next paragraph	Crt + up arrow, or Q
Spell word	Num pad 5 Twice quickly
Spell current line	Insert + up arrow twice quickly

Function	Keyboard Command
Next form	F
Next focusable item	Tab
Next button	B
Checkbox: Select and deselect	Spacebar
Checkbox: Next	X
Open combo box	Alt + down arrow
Browse/Select option	Down arrow or first letter
Select multiple options	Shift + down or up arrow
Next combo box	C
Radio buttons: Toggle buttons	Up or down arrow
Next radio button	R
Toggle between forms and browser mode	Insert + spacebar

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