Web accessibility is not optional. It is a legal requirement in many jurisdictions, a moral imperative, and good business. One in four adults has a disability. That is 25 percent of your potential audience you might be excluding.
At Flip Beetle, we build accessibility into every project from day one. Here is how to do it right.
Understanding WCAG Standards
The Web Content Accessibility Guidelines (WCAG) are the international standard for web accessibility. In 2026, WCAG 2.2 is the current standard, with WCAG 3.0 on the horizon.
WCAG is organized around four principles, represented by the acronym POUR.
Perceivable
Users must be able to perceive the information being presented. This means providing text alternatives for images, captions for videos, and sufficient color contrast.
Operable
Users must be able to operate the interface. This means keyboard accessibility, enough time to complete tasks, and no content that causes seizures.
Understandable
Users must be able to understand the information and interface. This means readable text, predictable navigation, and input assistance.
Robust
Content must work with current and future technologies. This means valid HTML, proper ARIA attributes, and compatibility with assistive technologies.
Color Contrast Requirements
Color contrast is one of the most common accessibility failures. WCAG requires minimum contrast ratios between text and background.
For normal text, the minimum ratio is 4.5 to 1. For large text, it is 3 to 1. For AAA compliance, these ratios increase to 7 to 1 and 4.5 to 1 respectively.
Use tools like WebAIM's contrast checker to verify your color choices meet standards.
Keyboard Navigation
Not everyone uses a mouse. Many users navigate with keyboards, voice commands, or other assistive devices. Your site must work without a mouse.
Every interactive element must be keyboard accessible. Users should be able to tab through links and forms in a logical order. Focus states must be clearly visible.
Never disable focus outlines without providing an alternative. Those outlines help keyboard users know where they are.
Semantic HTML
Use HTML elements for their intended purpose. This helps screen readers understand your content structure.
Use heading tags in hierarchical order. Use lists for lists. Use buttons for actions and links for navigation. Use form labels properly.
Semantic HTML is the foundation of accessibility. Get this right and many other things fall into place.
Alternative Text for Images
Every image needs alternative text that describes its content and function. Screen readers announce this text to users who cannot see images.
Decorative images should have empty alt attributes. Informative images need descriptive alt text. Complex images like charts might need longer descriptions.
Do not start alt text with "image of" or "picture of". Screen readers already announce that it is an image.
Form Accessibility
Forms are critical for conversions, but they are often accessibility barriers. Every form input needs an associated label. Use the label element, not just placeholder text.
Provide clear error messages and instructions. Group related inputs with fieldset and legend elements. Ensure form validation works with screen readers.
ARIA Landmarks and Labels
ARIA (Accessible Rich Internet Applications) attributes help screen readers understand your page structure and interactive elements.
Use landmark roles to identify major page regions like navigation, main content, and footer. Use aria-label to provide accessible names for elements. Use aria-live to announce dynamic content updates.
But use ARIA carefully. The first rule of ARIA is to use semantic HTML instead when possible. Bad ARIA is worse than no ARIA.
Testing Your Accessibility
Automated tools catch only about 30 percent of accessibility issues. You need multiple testing approaches.
Automated Testing
Use tools like axe DevTools, Lighthouse, or WAVE to catch common issues. Run these tests regularly as part of your development process.
Keyboard Testing
Navigate your entire site using only the keyboard. Can you reach every interactive element? Is the focus order logical? Are focus states visible?
Screen Reader Testing
Test with actual screen readers. NVDA and JAWS on Windows, VoiceOver on Mac and iOS, TalkBack on Android. This reveals issues automated tools miss.
User Testing
The best test is real users with disabilities. Consider hiring accessibility consultants or working with disability advocacy organizations for user testing.
Common Mistakes to Avoid
Do not rely on color alone to convey information. Do not use tiny text. Do not create keyboard traps. Do not hide focus indicators. Do not use ARIA incorrectly. Do not forget mobile accessibility.
The Business Case
Accessible sites reach more users, rank better in search, face fewer legal risks, and demonstrate social responsibility. Accessibility is good for everyone, not just users with disabilities.
Clear navigation helps all users. Captions benefit people in noisy environments. Keyboard shortcuts help power users. Good contrast helps users in bright sunlight.
When you design for disability, you improve the experience for everyone.
Getting Started
Start with the basics. Fix color contrast issues. Add alt text to images. Ensure keyboard accessibility. Use semantic HTML.
Then work toward full WCAG compliance level by level. Aim for AA first, then AAA if appropriate for your context.
Make accessibility part of your design process, not an afterthought. It is easier and cheaper to build it in from the start than to retrofit later.