addyosmani/web-quality-skills

best-practices

Apply modern web development best practices for security, compatibility, and code quality. Use when asked to "apply best practices", "security audit", "modernize code", "code quality review", or "check for vulnerabilities".

22K installs 2.7K starsUpdated Aug 25, 2026License: MIT

Install

npx skills add addyosmani/web-quality-skills@best-practices

Runs in your terminal. Adds the skill globally for Claude Code, Cursor, Codex and others; add -g -y to skip prompts.

What it does

Best practices Modern web development standards based on Lighthouse best practices audits. Covers security, browser compatibility, and code quality patterns. Evidence-led audit workflow When a rendered page is available: 1. Run a live Lighthouse Best Practices audit when that capability is available; with Chrome DevTools MCP, use lighthouseaudit. Use navigation mode for a normal page load or snapshot mode when the current state must be preserved. 2. Inspect the listed console and network failures and fetch individual details only when they support a finding. 3. Supplement runtime evidence…

Excerpt from the skill's own SKILL.md. Read the full file on GitHub before installing: skills run with your agent's permissions.

View source on GitHub

Before you install

Skills are plain text instructions the agent follows, sometimes with scripts. Check the source, prefer repositories with many installs and stars, and read any script it ships.

Categories

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