Without a mouse.
WHO USES A KEYBOARD
People who cannot use a pointer People using assistive technology Anyone working quickly
WHAT MUST WORK
Every action reachable and operable by keyboard.
WHAT TO CHECK
Move through the page using the keyboard alone, and attempt every task.
WHAT TO LOOK FOR
Whether focus is always visible Whether the order makes sense Whether anything is unreachable Whether focus becomes trapped
THE TRAP PROBLEM
A dialog or widget you can enter but not leave.
WHAT TO ENSURE FOR DIALOGS
Focus moves in on opening, stays within, and returns on closing.
WHAT ORDER TO FOLLOW
The visual order.
WHAT BREAKS IT
Elements positioned visually in one place and ordered differently in the markup.
WHAT TO PROVIDE ON LONG PAGES
A way to skip past repeated navigation.
WHAT NEVER TO DO
Remove the focus indicator.
WHAT TO TEST
The most important task, keyboard only.
