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

Occurred
Feb 5, 2026
Published
Feb 5, 2026
Source
W3C WAI Blog

Summary

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.

Classification

Category confidence: 95%
Severity confidence: 95%

Rationale: W3C standard release for accessibility testing rules, no incident or harm reported.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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