51

Any moving, blinking, or scrolling information that starts automatically, lasts over 5 seconds, and is part of other content must include a pause, stop, or hide mechanism.

WGAC 2 criterion	2.2.2 Pause, Stop, Hide (A)
Category	Motion
ACT Rules

WCAG 2 criterion

2.2.2 Pause, Stop, Hide (Level A)

Tools and requirements

Manual Assessment

Test procedure

If any moving, flashing, or blinking content is encountered which lasts over 5 seconds, mark a failure unless one there is a function available to pause, fully stop, or hide away the moving content.

This function needs to be explained to the user in text.

AI Prompt

Create a PHP class in the namespace "App\Services\AccessibilityAnalyzer\GuidelineRules"
that extends "App\Services\AccessibilityAnalyzer\GuidelineRuleRunner" and is called "Guideline51" that has a function with the signature "protected function findApplicableElements(Crawler $crawler): Crawler". The base class includes the function "protected function isElementIncludedInAccessibilityTree(\DOMNode $element): bool" for determining if an element is included in the accessibility tree.

Web accessibility guideline:

## Any moving, blinking, or scrolling information that starts automatically, lasts over 5 seconds, and is part of other content must include a pause, stop, or hide mechanism.

### WCAG 2 criterion

2.2.2 Pause, Stop, Hide (Level A)

### Tools and requirements

* Manual Assessment

### Test procedure

If any moving, flashing, or blinking content is encountered which lasts over 5 seconds, mark a **failure** *unless* one there is a function available to pause, fully stop, or hide away the moving content.

* This function needs to be explained to the user in text.

Web Accessibility Reviews

AI Chat

AI Assistance Chat

AI Response

Debugging info

51

Any moving, blinking, or scrolling information that starts automatically, lasts over 5 seconds, and is part of other content must include a pause, stop, or hide mechanism.

WCAG 2 criterion

Tools and requirements

Test procedure

AI Prompt