accessibility
Audit and improve web accessibility following WCAG 2.1 guidelines. Use when asked to "improve accessibility", "a11y audit", "WCAG compliance", "screen reader support", "keyboard navigation", or "make accessible". Do NOT use for SEO (use seo), performance (use core-web-vitals), or comprehensive site audits covering multiple areas (use web-quality-audit).
npx skills add tech-leads-club/agent-skills --skill web-accessibility --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# Accessibility (a11y) Comprehensive accessibility guidelines based on WCAG 2.1 and Lighthouse accessibility audits. Goal: make content usable by everyone, including people with disabilities. ## WCAG Principles: POUR | Principle | Description | | ------------------ | ------------------------------------------------- | | **P**erceivable | Content can be perceived through different senses | | **O**perable | Interface can be operated by all users | | **U**nderstandable | Content and interface are understandable | | **R**obust | Content works with assistive technologies | ## Conformance levels | Level | Requirement | Target | | ------- | ---------------------- | ----------------------------------------------------- | | **A** | Minimum accessibility | Must pass | | **AA** | Standard compliance | Should pass (legal requirement in many jurisdictions) | | **AAA** | Enhanced accessibility | Nice to have | --- ## Perceivable ### Text alternatives (1.1) **Images require alt text:** ```html <!-- ❌ Missing alt --> <img src="chart.png" /> <!-- ✅ Descriptive alt --> <img src="chart.png" alt="Bar chart showing 40% increase in Q3 sales" /> <!-- ✅ Decorative image (empty alt) --> <img src="decorativ
- WCAG Principles: POUR
- Conformance levels
- Perceivable
- Text alternatives (1.1)
- Color contrast (1.4.3, 1.4.6)
- Media alternatives (1.2)
- Operable
- Keyboard accessible (2.1)
- Focus visible (2.4.7)
- Skip links (2.4.1)
- Timing (2.2)
- Motion (2.3)
- Understandable
- Page language (3.1.1)
Lighthouse accessibility audit npx lighthouse https://example.com --only-categories=accessibility axe-core npm install @axe-core/cli -g axe https://example.com
What does the accessibility skill do?
Audit and improve web accessibility following WCAG 2.1 guidelines. Use when asked to "improve accessibility", "a11y audit", "WCAG compliance", "screen reader support", "keyboard navigation", or "make accessible". Do NOT use for SEO (use seo), performance (use core-web-vitals), or comprehensive site audits covering multiple areas (use web-quality-audit).
How do I install it?
Run `npx skills add tech-leads-club/agent-skills --skill web-accessibility --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From tech-leads-club/agent-skills, a repository with 4,983 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.
