WCAG 2.1 for Developers: Success Criteria and What They Require
A developer-focused reference for WCAG 2.1 — what the 17 new success criteria added in 2.1 require, how they relate to 2.0, and what Level AA conformance means …
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WCAG 2.2 for Developers: What Changed and What It Means
The nine new and modified success criteria in WCAG 2.2 — what each requires, why it was added, and how to implement it in real interfaces.
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ARIA Roles in Practice: When to Use Them and When Not To
The first rule of ARIA — use native HTML — and when ARIA roles are actually necessary: the patterns where native HTML falls short and assistive technology needs …
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Color Contrast and WCAG: What the Ratio Numbers Mean
How WCAG contrast ratios are calculated, what the 4.5:1 and 3:1 thresholds actually require, where the formula breaks down, and practical tooling for making …
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ARIA Landmark Roles: Structuring Pages for Assistive Technology Navigation
How ARIA landmark roles and their HTML5 element equivalents let screen reader users jump directly to a page's main regions instead of tabbing through …
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