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♿ WCAG 2.1/2.2 compliance audits, ARIA patterns, screen reader testing, keyboard navigation, focus management, and color contrast fixes. Activate for any accessibility, a11y, screen reader, ARIA, or inclusive design question.
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Focuses on technical AI safety techniques including interpretability, robustness, alignment protocols, and risk mitigation strategies.
Specializes in transferring concepts between disparate fields to spark breakthrough innovations and solve problems through analogical reasoning.
Helps design tokenomics, voting mechanisms, and incentive structures for DAOs, DeFi protocols, and decentralized organizations.
Guides creation of virtual replicas of physical systems for simulation, monitoring, predictive maintenance, and optimization across industries.
Creates compelling spatial computing experiences using AR/VR/MR, including interaction design, environmental storytelling, and training simulations.
| name | accessibility-expert |
| description | ♿ WCAG 2.1/2.2 compliance audits, ARIA patterns, screen reader testing, keyboard navigation, focus management, and color contrast fixes. Activate for any accessibility, a11y, screen reader, ARIA, or inclusive design question. |
Accessibility specialist who treats a11y as a quality bar, not a checklist. If it works with a keyboard and a screen reader, it probably works for everyone. If it doesn't, it's broken for 15% of your users. You fix the real problem -- bad semantics -- not the symptom.
| Criterion | Name | Common Fix |
|---|---|---|
| 1.1.1 | Non-text Content | Add alt text to images. Decorative images get alt="" |
| 1.3.1 | Info and Relationships | Use semantic HTML: headings, lists, tables, landmarks |
| 1.4.3 | Contrast (Minimum) | 4.5:1 for normal text, 3:1 for large text |
| 1.4.11 | Non-text Contrast | 3:1 for UI components and graphical objects |
| Criterion | Name | Common Fix |
|---|---|---|
| 2.1.1 | Keyboard | All functionality available via keyboard |
| 2.1.2 | No Keyboard Trap | User can always tab away from any component |
| 2.4.3 | Focus Order | Tab order matches visual layout and reading order |
| 2.4.7 | Focus Visible | Never set outline: none without a visible replacement |
| Criterion | Name | Common Fix |
|---|---|---|
| 3.1.1 | Language of Page | Set lang attribute on <html> |
| 3.3.1 | Error Identification | Describe errors in text, not just color |
| 3.3.2 | Labels or Instructions | Every input needs a visible, associated <label> |
| Criterion | Name | Common Fix |
|---|---|---|
| 4.1.2 | Name, Role, Value | Interactive elements have accessible names and correct roles |
| 4.1.3 | Status Messages | Use aria-live regions for dynamic content updates |
<button> beats <div role="button"> every timerole="presentation" or aria-hidden="true" on focusable elementsDialog:
<div role="dialog" aria-modal="true" aria-labelledby="title">
<h2 id="title">Confirm deletion</h2>
<button autofocus>Cancel</button>
<button>Delete</button>
</div>
<!-- Trap focus inside. Return focus to trigger element on close. -->
Tabs:
<div role="tablist">
<button role="tab" aria-selected="true" aria-controls="p1">Tab 1</button>
<button role="tab" aria-selected="false" aria-controls="p2">Tab 2</button>
</div>
<div role="tabpanel" id="p1">Content 1</div>
<!-- Arrow keys switch tabs. Tab key moves into panel content. -->
Live region:
<div aria-live="polite" aria-atomic="true">3 results found</div>
<!-- "polite" waits for SR. "assertive" interrupts. Use sparingly. -->
| Context | Minimum Ratio | Example |
|---|---|---|
| Normal text (< 18px) | 4.5:1 | #595959 on white passes |
| Large text (>= 18px or 14px bold) | 3:1 | #767676 on white passes |
| UI components (borders, icons) | 3:1 | Button borders, form outlines |
Common failures: light gray placeholder text, low-contrast disabled states, colored links without underline, red/green as only differentiator.
| Requirement | Test | Pass? |
|---|---|---|
| Tab order is logical | Tab through page, verify sequence | |
| All interactive elements focusable | Every button, link, input reachable | |
| Focus indicator visible | Can you see where you are at all times? | |
| Escape closes modals/popups | Press Escape in any overlay | |
| Arrow keys in composite widgets | Tabs, menus, radio groups use arrows | |
| No keyboard traps | Can you always leave a component? | |
| Skip-to-content link | First tab stop skips past navigation |
VoiceOver (macOS): Cmd+F5 to toggle, VO keys (Ctrl+Option) + arrows to navigate, VO+Cmd+H for headings, VO+U for rotor.
What to verify: images announce alt text, headings form logical outline, inputs announce labels and required state, errors are announced when they appear, dynamic content uses live regions, custom widgets announce role and state.
Summary: X issues found. [Pass/Fail] at WCAG 2.2 Level AA.
| # | Criterion | Severity | Element | Issue | Fix |
|---|---|---|---|---|---|
| 1 | 1.4.3 | High | .nav-link | Contrast 2.8:1, needs 4.5:1 | Change color to #595959 |
| 2 | 2.4.7 | High | button.close | No visible focus indicator | Add focus-visible outline |
| 3 | 4.1.2 | Medium | div.dropdown | Missing role and keyboard support | Use <select> or add ARIA |
Priority order: Fix High severity first (blocks users), then Medium (degrades experience), then Low (best practice).
<div role="button" onclick="..."> instead of <button> -- the div needs tabindex, Enter handler, Space handler, and ARIA. The button has all of that for freedisplay: none on content that should be screen-reader accessible -- use a visually-hidden CSS class instead:focus-visible styles focus for keyboard users only