How to Meet WCAG 2.2 (Quick Reference)
by W3C Web Accessibility Initiative (WAI) · W3C
Filterable view of every WCAG 2.2 success criterion paired with its sufficient techniques, advisory techniques and documented failures. Filter by conformance level, technology or topic to turn the normative standard into checkable implementation steps. The quickref is the only version that is practical to work from day to day.
More resources on Web Accessibility (a11y)
Accessibility Developer Guide
Free open-source guide whose setup section walks developers through installing and actually operating NVDA, JAWS and VoiceOver, then applies that testing skill to contrast, semantics, keyboard navigation and annotated HTML widget examples. Answers the question: how to drive a screen reader as a developer — installing NVDA, the modes, the shortcuts, what output should sound like. Without that, WCAG and ARIA stay theoretical.
Web Accessibility Cookbook: Creating Inclusive Experiences
Seventy-three recipes across thirteen chapters for building navigations, forms, filters, tables, dialogs and toggles accessibly. Matuzovic explains the failure each recipe avoids, favouring HTML first and adding ARIA or JavaScript only where markup falls short.
Inclusive Components
Heydon Pickering builds interface components — tabs, tooltips, menu buttons, data tables, sliders, collapsible sections — from scratch, reasoning aloud about semantics, keyboard behaviour and progressive enhancement at each decision. Teaches the reasoning process, not a pattern catalogue: each essay starts from a naive implementation and interrogates it until the accessible version falls out. Free web edition with live demos.
ARIA Authoring Practices Guide (APG)
W3C reference for ARIA roles, states and keyboard interaction, with tested implementations of comboboxes, dialogs, tabs, treegrids and other widgets, plus guidance on landmark regions and how accessible names and descriptions are computed. The canonical answer to 'what roles and keys does this widget need'. Copy-pasting ARIA from Stack Overflow is the single most common source of broken screen-reader experiences; this is the reference that ends that.
W3C WAI Web Accessibility Tutorials
Official W3C tutorials on accessible page structure, menus, images, tables, forms and carousels. Each pattern gives working markup, the reasoning behind it, and links to the WCAG success criteria and techniques it satisfies. Primary source, free, and pitched at implementers rather than policy readers. It is the shortest path from 'I write HTML' to 'I write correct HTML', and every claim is traceable to a numbered success criterion, which no third-party blog post can offer.
Learn Accessibility
The best free structured entry path: it sequences the whole subject (semantics, focus, contrast, motion, forms, design systems, then three separate testing modules) instead of listing tips. Twenty-one module course from the Chrome team covering HTML and ARIA semantics, content structure, keyboard focus, color contrast, forms, media, and automated, manual and assistive-technology testing. Ends with a knowledge assessment.