How would you make a page accessible?

HighIntermediateHtml
Quick Answer

Use a production accessibility review workflow: semantic structure, keyboard order, focus management, contrast, ARIA restraint, and screen reader checks that catch real usability bugs.

Answer

The Core Idea

Accessibility is not a last-minute checklist item. In production it is a review workflow: start with semantic structure, verify keyboard order and visible focus, confirm contrast and labels, then test with screen readers and automated tools. The best answers sound like a bug-prevention plan, not a loose list of nice-to-haves.

Area

What to do

Why it matters

Semantic HTML

Use headings in order, landmarks (<header>, <nav>, <main>), proper buttons/links

Gives screen readers structure and intent

Forms & labels

Pair inputs with <label>; use aria-describedby for hints/errors

Improves navigation and error comprehension

Keyboard access

Everything reachable by Tab; visible focus states; logical tab order

Required for users who don’t use a mouse

ARIA (only when needed)

Add roles/labels for custom widgets; avoid misusing ARIA

Fills gaps when native semantics aren’t available

Color & contrast

Meet WCAG contrast ratios; don’t rely on color alone

Ensures text and UI are readable

Testing

Keyboard-only pass, screen reader spot checks, Lighthouse/axe

Catches real usability issues

A practical accessibility checklist

Common mistakes

Production accessibility bugs usually come from the same places: a modal without a focus trap, a form error that uses color alone, custom controls with broken keyboard order, or ARIA pasted onto the wrong native element. Review the page in that order so you catch structural issues before polishing labels.

Summary

Use semantic HTML first, add ARIA only when necessary, ensure keyboard navigation and focus visibility, verify color contrast, and test with real tools.

Similar questions
Guides
Preparing for interviews?

Use the relevant interview-question hub first, then move into a concrete study plan before targeted company sets.