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Resources

Everything you need to ship accessible software.

Guides, references, and tools organized by what you need — whether you're a developer, designer, or compliance lead.

Quick refsPDFWCAG 2.2 Criteria ChecklistDocARIA Landmark Roles ReferenceToolColor Contrast Ratio CalculatorPDFScreen Reader Testing CheatsheetDocAccessible Name ComputationDocFocus Management Patterns

WCAG Explained

Break down the Web Content Accessibility Guidelines into plain language.

What is WCAG 2.2?

5 min read

Level A vs AA vs AAA — what you actually need

4 min read

The 4 WCAG principles: POUR

6 min read

How WCAG criteria are structured

3 min read

Legal & Compliance

Understand your legal obligations across ADA, Section 508, and global standards.

ADA Title III and web accessibility lawsuits

7 min read

Section 508 compliance for federal contractors

5 min read

EU Accessibility Act: what changes in 2025

6 min read

What to include in a VPAT

8 min read

Developer Guides

Code-level patterns for building accessible interfaces from the ground up.

Semantic HTML: the accessibility foundation

8 min read

ARIA roles, states, and properties explained

10 min read

Keyboard navigation patterns

7 min read

Building accessible React components

9 min read

Design Guides

Accessible design decisions around color, typography, spacing, and interaction.

Color contrast ratios that pass WCAG 1.4.3

4 min read

Focus indicators that work (and look good)

5 min read

Typography and readability for screen readers

6 min read

Designing accessible forms

7 min read
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