WCAG: Technical Compliance
For Web Developers, WCAG is the technical blueprint for the “Robust” principle. It ensures that the code is clean enough for screen readers, braille displays, and other assistive devices to interpret.
Compliance is achieved through Semantic HTML (using <button> instead of a <div> with an onClick), managing DOM order for logical tab navigation, and implementing ARIA (Accessible Rich Internet Applications) roles where native HTML falls short.
Frequently Asked Questions
“The best ARIA is no ARIA.” Whenever possible, use native HTML elements. Only use ARIA roles and attributes when you are building complex custom components (like tab panels or accordions) that HTML cannot describe on its own.
Decorative images should have an empty
alt="" attribute so screen readers skip them. Meaningful images must have descriptive text that conveys the *purpose* of the image, not just a literal description.A developer should include a hidden “Skip to Content” link as the very first element in the DOM. This allows keyboard users to bypass long menus and jump directly to the main content.
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