Perceivable
Information must be available to all senses. Images need text alternatives, videos need captions, and text needs enough contrast.
If someone cannot see or hear part of your content, they should still get the message.
A useful starting point
Most businesses aim for WCAG 2.1 or 2.2 level AA. It covers the issues that affect the most people.
Operable
Every feature must work with a keyboard and give people enough time to read and act.
Avoid content that flashes or moves in ways that cannot be paused.
Understandable and robust
Content and navigation should be predictable and easy to follow. Forms should explain errors clearly.
Clean, standard code helps assistive technologies interpret your site correctly.
Your practical checklist
- Provide text alternatives for images.
- Caption videos and audio.
- Ensure keyboard access everywhere.
- Write clear error messages on forms.
- Use semantic, standards-based code.
