Focus indicator
Also known as: Focus ring, focus outline
A focus indicator is the visible outline that shows which element the keyboard is currently on, so keyboard users can see where they are.
In plain terms
As you press Tab, focus jumps from link to button to field. The focus indicator — usually an outline or ring — marks the current spot. A common mistake is removing it with CSS (outline: none) because designers think it looks untidy, which leaves keyboard users completely lost.
Why it matters
Without a visible focus indicator, a keyboard user is navigating blind — they can't tell what they're about to click. WCAG 2.4.7 requires it, and 2.2 added rules that it also can't be hidden behind sticky headers.
Instead of deleting the outline, style it: a 2px ring in your brand colour with enough contrast keeps it on-brand and usable.
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