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Web Performance A11y

Category: Product  ·  Sub-category: accessibility  ·  Last updated:
Use this when: my site is slow, why is my Lighthouse score low, my LCP is too high, my page keeps shifting layout, fix Core Web Vitals, make my site accessible, keyboard navigation is broken, screen readers can't use my page, reduce bundle size, fix color contrast issues, my page fails WCAG, images are hurting my load time, why is my page janky on scroll, Lighthouse, axe

What this skill does

Web Performance A11y is a community-contributed Claude Code skill in the accessibility sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/web-performance-a11y/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Web Performance A11y Claude Code skill is built for product managers, product designers, and cross-functional teams planning, shipping, and measuring product features. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 70,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/web-performance-a11y
curl -L https://claudskills.com/skills/web-performance-a11y/SKILL.md \
  -o ~/.claude/skills/web-performance-a11y/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/web-performance-a11y/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/web-performance-a11y/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\web-performance-a11y\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
drewid74. (2026). Web Performance A11y [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/web-performance-a11y/
BibTeX
@misc{web-performance-a11y-2026,
  author    = {drewid74},
  title     = {Web Performance A11y [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/web-performance-a11y/}
}

Embed this skill

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