Web accessibility isn't just about compliance—it's about ensuring everyone can access your content, products, and services regardless of their abilities. With over 1 billion people worldwide living with disabilities, making your website accessible expands your potential audience while reducing legal risk.
Why Web Accessibility Matters
Beyond the moral imperative of inclusion, there are compelling business reasons to prioritize accessibility:
- Legal compliance — Avoid ADA lawsuits and regulatory penalties
- Expanded market reach — Serve customers with disabilities (15% of the global population)
- Better SEO — Many accessibility practices improve search engine rankings
- Improved usability — Accessible design benefits all users, not just those with disabilities
- Brand reputation — Demonstrate corporate social responsibility
Understanding WCAG Standards
The Web Content Accessibility Guidelines (WCAG) provide a framework for making web content accessible. WCAG 2.1 defines three levels of compliance:
- Level A — Basic accessibility (minimum requirement)
- Level AA — Addresses major barriers (recommended target for most organizations)
- Level AAA — Highest level of accessibility (ideal but not always achievable)
The Four Principles of WCAG
WCAG is built on four core principles—content must be:
1. Perceivable
Users must be able to perceive the information presented:
- Provide text alternatives for images
- Offer captions and transcripts for video/audio
- Ensure sufficient color contrast
- Make content adaptable to different presentations
2. Operable
Users must be able to navigate and interact:
- Make all functionality keyboard-accessible
- Give users enough time to read and interact
- Avoid content that causes seizures
- Provide clear navigation and orientation
3. Understandable
Content must be clear and predictable:
- Use readable and understandable text
- Make pages operate in predictable ways
- Help users avoid and correct mistakes
- Provide clear error messages and instructions
4. Robust
Content must work with current and future technologies:
- Use valid, semantic HTML
- Ensure compatibility with assistive technologies
- Follow web standards and best practices
Practical Accessibility Checklist
Start implementing accessibility with these actionable steps:
Images and Media
- Add descriptive alt text to all images
- Provide transcripts for audio content
- Include captions for videos
- Don't rely solely on color to convey information
Navigation and Interaction
- Ensure all interactive elements work with keyboard only
- Provide skip navigation links
- Use clear, descriptive link text (avoid "click here")
- Make sure focus indicators are visible
- Implement logical tab order
Content and Structure
- Use proper heading hierarchy (H1, H2, H3, etc.)
- Write clear, concise content
- Use semantic HTML5 elements
- Ensure minimum color contrast ratio of 4.5:1 for text
- Make forms accessible with proper labels
Forms and Error Handling
- Associate labels with form inputs
- Provide clear instructions
- Offer helpful error messages
- Allow users to review and correct information
Testing Your Website's Accessibility
Regular testing ensures your site remains accessible:
- Automated tools — Use WAVE, Axe, or Lighthouse for initial scans
- Manual testing — Navigate using only keyboard, test with screen readers
- User testing — Include people with disabilities in your testing process
- Regular audits — Schedule quarterly accessibility reviews
Common Accessibility Mistakes to Avoid
- Missing or poor alt text on images
- Low color contrast between text and background
- Forms without proper labels
- Videos without captions
- Content only accessible by mouse
- Unclear error messages
- Auto-playing media
- Time limits without user control
Building Accessibility from the Start
The most cost-effective approach is building accessibility into your website from day one. Retrofitting accessibility into an existing site is more time-consuming and expensive.
When planning a new website or redesign, work with developers who understand accessibility requirements:
The Business Case for Accessibility
Investing in accessibility delivers measurable returns:
- Reduced legal risk and compliance costs
- Increased customer base and market share
- Improved SEO rankings and organic traffic
- Enhanced brand reputation
- Better overall user experience
- Future-proofing your digital presence
Getting Started with Accessibility
Don't let perfect be the enemy of good. Start with these steps:
- Conduct an accessibility audit of your current site
- Prioritize issues based on impact and severity
- Fix critical barriers first (keyboard navigation, alt text, color contrast)
- Implement an accessibility policy and testing process
- Train your team on accessibility best practices
- Make accessibility part of your development workflow
Need help making your website accessible? Contact Reed Dynamic for a free accessibility assessment.