Design February 5, 2026 2 min read W3C WAI EN

ACT Rules Format 1.1 is a Web Standard (W3C Recommendation)

The Accessibility Conformance Testing Rules Format is now a web standard, enabling standardized accessibility testing for web development. This benefits developers and users of assistive technologies.

Design

Accessibility Conformance Testing (ACT) Rules Format 1.1 is now a web standard (W3C Recommendation). ACT Rules Format defines a format for writing accessibility test rules. The test rules can be used for developing automated testing tools and manual testing methodologies. For an introduction to ACT Rules, see Accessibility Conformance Testing (ACT) Overview.

Referenced sources behind this article

  • Source 1

    W3C WAI

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