theme: Keyboard
Navigation and operation using only a keyboard.
1.4.13 Content on Hover or Focus
Tooltips and similar content should stay visible, be easy to dismiss (usually with the Esc key), and let users select and interact with the text.
2.1.1 Keyboard
Can you get around using the keyboard alone.
2.1.2 No Keyboard Trap
There must not be a situation where you enter a modal with the keyboard and can’t get back to where you were.
2.1.3 Keyboard (No Exception)
You can navigate and interact with a page using the keyboard alone.
2.1.4 Character Key Shortcuts
Keyboard shortcuts must use modifier keys, like ctrl, command, or alt/option.
2.4.1 Bypass Blocks
‘Skip links’ are available for keyboard users to jump past navigation.
2.4.3 Focus Order
When a keyboard user tabs through a page, the order goes from top to bottom and left to right, as you would read the page.
2.4.7 Focus Visible
There’s visible keyboard focus styling to indicate which element you’re currently focused on.
2.4.11 Focus Not Obscured (Minimum)
The keyboard focus is not completely hidden by other content.
2.4.12 Focus Not Obscured (Enhanced)
The keyboard focus is fully visible at all times.