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a11yscan

Guide WCAG 2.1 Level AAA website compliance with accessibility best practices.

Updated Aug 23, 2026
Search Tags:#accessibility#compliance#legal#wcag#web design#ux
One-click install
npx skills add https://github.com/jefdiesel/a11yscan --skill a11yscan
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: a11yscan
Source: https://github.com/jefdiesel/a11yscan/tree/main
Command: npx skills add https://github.com/jefdiesel/a11yscan --skill a11yscan

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps you build and maintain websites that are compliant with WCAG 2.1 Level AAA standards, ensuring accessibility for all users and mitigating legal risks associated with non-compliance.

Core Features & Use Cases

  • WCAG 2.1 AAA Compliance: Guides you through detailed requirements for perceivable, operable, understandable, and robust web content.
  • Design System & Best Practices: Provides CSS variables, typography guidelines, and component styling examples adhering to accessibility principles.
  • Blog Content Strategy: Offers a structured approach to creating accessible blog content, including guidelines for button text, post structure, and mandatory legal disclaimers.
  • Use Case: A web developer needs to ensure a new website adheres to the highest accessibility standards. They can consult this Skill for detailed guidance on color contrast, keyboard navigation, semantic HTML, and legal disclaimers required for blog posts.

Quick Start

Use the a11yscan skill to review the WCAG 2.1 AAA compliance requirements for perceivable content.

Frequently Asked Questions about a11yscan

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I make my website compliant with WCAG 2.1 Level AAA standards?▼

To achieve WCAG 2.1 Level AAA compliance, implement detailed requirements for perceivable, operable, understandable, and robust content, including semantic HTML, ARIA usage, and specific CSS variables for accessible design systems.

What accessibility best practices are required for keyboard navigation and forms?▼

Accessibility best practices for keyboard navigation and forms require using semantic HTML, proper ARIA roles, and ensuring all interactive elements are fully operable without a mouse to meet WCAG compliance.

How do I design CSS variables and typography for an accessible web design system?▼

Designing accessible CSS variables and typography involves adhering to strict color contrast guidelines and component styling examples that ensure readable, perceivable content for all users.

What legal disclaimers and structural guidelines are needed for accessible blog content?▼

Accessible blog content requires a structured approach including specific guidelines for button text, post structure, and mandatory legal disclaimers to mitigate legal risks associated with non-compliance.

When do I need WCAG compliance for web design to avoid lawsuits?▼

You need WCAG compliance for web design when building or maintaining public-facing websites, as adhering to accessibility best practices ensures usability for all users and mitigates legal risks associated with non-compliance.

How should I handle image alt text and code blocks for accessibility compliance?▼

Handling image alt text and code blocks for accessibility compliance requires providing descriptive alternative text for images and using semantic HTML structures to ensure screen readers can properly interpret code content.

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