accessibility-checker

Audit HTML content for WCAG2AA accessibility compliance across forms, images, navigation, links, and headings.

4|Updated Jan 13, 2026
One-click install
npx skills add https://github.com/ProfPowell/vanilla-breeze --skill accessibility-checker-profpowell
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: accessibility-checker
Source: https://github.com/ProfPowell/vanilla-breeze/tree/main/.claude/skills/accessibility-checker
Command: npx skills add https://github.com/ProfPowell/vanilla-breeze --skill accessibility-checker-profpowell

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill ensures all HTML content meets WCAG2AA accessibility standards, preventing usability issues for users with disabilities and improving overall web quality.

Core Features & Use Cases

  • Automated Auditing: Checks for common accessibility violations in HTML content.
  • Guidance on Best Practices: Provides clear requirements for forms, images, navigation, and links.
  • WCAG AAA Enhancement: Offers guidance on achieving higher accessibility standards.
  • Use Case: Before launching a new feature, use this Skill to audit the HTML for compliance with accessibility guidelines, ensuring it's usable by everyone.

Quick Start

Use the accessibility-checker skill to audit the provided HTML content for WCAG2AA compliance.

Frequently Asked Questions about accessibility-checker

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

FAQPage Schema
How do I check HTML content for WCAG2AA accessibility compliance?

To check HTML content for WCAG2AA accessibility compliance, audit forms, images, navigation, links, and headings against established web accessibility standards. This process identifies common violations and provides actionable guidance to resolve usability issues for users with disabilities.

What is the best way to audit web development forms and images for a11y violations?

The best way to audit web development forms and images for a11y violations is to evaluate them against WCAG2AA standards. This checks for proper labeling, alternative text, and navigation structure, providing clear requirements to ensure content is usable by everyone.

Can I achieve WCAG AAA accessibility standards using automated auditing?

Automated auditing primarily targets WCAG2AA compliance, but it also offers guidance for achieving enhanced WCAG AAA accessibility standards. You can use the results to address higher-level accessibility requirements beyond the baseline AA level.

Does the accessibility checker integrate with testing tools like pa11y?

Yes, the accessibility checker integrates with testing tools like pa11y to validate HTML content. This integration streamlines the automated auditing process, ensuring web development projects maintain compliance with established web accessibility standards before launch.

When do I need to run an accessibility compliance audit on my web development project?

You need to run an accessibility compliance audit before launching a new feature or web page. Auditing HTML content ensures it meets WCAG2AA standards, preventing usability issues for users with disabilities and improving overall web quality.

Why does my HTML navigation fail WCAG2AA compliance checks?

HTML navigation fails WCAG2AA compliance checks when it lacks proper structure, headings, or link accessibility. Auditing navigation against established web accessibility standards identifies these specific violations and provides clear requirements for remediation.