WCAG 2.1 for Developers: Success Criteria and What They Require

WCAG 2.1 is the current stable version of the Web Content Accessibility Guidelines that most legal and regulatory frameworks reference. It extended WCAG 2.0 with 17 new success criteria — primarily addressing mobile interaction, low vision users, and cognitive accessibility — while keeping the original 2.0 criteria unchanged. This article covers what changed, what the new criteria require…