To fix keyboard navigation, ensure all interactive elements are reachable with Tab, visible focus indicators are styled (never outline: none without a replacement), add a skip-to-content link, fix positive tabindex traps, and make custom widgets respond to Enter/Space. Test by unplugging your mouse and tabbing through the site.
Keyboard users — including people with motor disabilities and power users — rely on Tab, Enter, Space, and arrow keys. Broken focus order, missing skip links, and invisible focus rings make a site unusable without a mouse.
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Business impact
If someone cannot tab to your checkout, menu, or contact form, you lose a sale and may be in breach of accessibility law. Keyboard support is a WCAG requirement and takes an afternoon to test and fix on most sites.
Why this happens
Common issues: outline: none on :focus without custom focus styles; div/span used as buttons without tabindex and key handlers; positive tabindex values disrupting natural order; modals that trap focus incorrectly; dropdown menus that only open on hover; missing skip navigation link. Fix with semantic HTML (button, a, input), logical DOM order, visible :focus-visible styles, and skip links.
How to confirm the issue
Manually: press Tab from the top of the page — can you reach and activate every link, button, and form field? Is focus always visible?
With Plexa Trust: "Keyboard Navigation Concerns" and "Skip Navigation Link Missing"; re-scan after fixes.
Step-by-step fix
Tab through every page — note where focus disappears or order feels wrong.
Add visible focus styles:
:focus-visible { outline: 2px solid ...; }.Add a skip link as the first focusable element: "Skip to main content".
Replace div-onclick buttons with
<button>or proper ARIA.Remove positive tabindex values; fix modals to trap focus correctly.
Ensure dropdown menus open and navigate with keyboard.
Re-test and re-scan.
Platform-specific fixes
WordPress
Add skip link in theme header.php before navigation.
Choose themes marketed as accessible; test menu keyboard support.
Remove outline:none from theme CSS or override with :focus-visible.
Custom / React
Use semantic button and a elements — not div onClick.
Implement focus trap in modals with focus-trap-react or similar.
Style :focus-visible globally in your CSS reset.
Bootstrap / UI kits
Use components as documented — they include keyboard support.
Do not override .btn:focus to remove outline without replacement.
How to verify the fix
Test keyboard navigation on every major template after changes.
Skip link should jump to id="main-content" on the main landmark.
Use :focus-visible so mouse users do not see rings on click.
Common mistakes
Removing focus outlines globally for aesthetics.
Custom carousel/slider with no keyboard control.
Mega-menus that only work on hover.
Frequently asked questions
What is a skip link?
A hidden-until-focused link at the top that jumps keyboard users past navigation to main content.
Why is outline: none bad?
It removes the only visible focus indicator for keyboard users unless you add a custom one.
What is focus trap?
Keeping Tab focus inside an open modal until it closes — required for accessible dialogs.
Do all users need keyboard access?
WCAG requires it. Many users rely on keyboard exclusively or temporarily.
What about tabindex?
Avoid positive tabindex. Use 0 or -1 only when necessary; prefer natural DOM order.
How do I test dropdown menus?
Tab to the menu, press Enter to open, arrow keys to move, Escape to close.
Are keyboard shortcuts required?
Not custom shortcuts, but standard Tab/Enter/Space/Arrow behaviour on components is required.
How do I confirm it worked?
Full keyboard walkthrough succeeds; Plexa Trust keyboard/skip findings clear.
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