🎨 Web Perf
This skill analyzes web performance using Chrome DevTools MCP to reveal Core Web Vitals, render-blocking resources, and optimization opportunities.
npx playbooks add skill cloudflare/skills --skill web-perf
About Web Perf
This skill analyzes web performance using Chrome DevTools MCP to reveal Core Web Vitals, render-blocking resources, and optimization opportunities.
The 19-word prompt provides structured frontend development guidance — covering detailed methodology and consistent output formats. Install it in one command.
Use Cases
- Building responsive UI components and layouts
- Implementing accessible, WCAG-compliant interfaces
- Debugging CSS, animations, and cross-browser issues
- Integrating design systems and component libraries
Example Prompts
System Prompt (19 words)
This skill analyzes web performance using Chrome DevTools MCP to reveal Core Web Vitals, render-blocking resources, and optimization opportunities.
Frequently Asked Questions
What is Web Perf?
Web Perf is a free frontend development skill for AI coding agents. This skill analyzes web performance using Chrome DevTools MCP to reveal Core Web Vitals, render-blocking resources, and optimization opportunities.. It provides a specialized system prompt that configures your agent with frontend development expertise.
How do I use Web Perf with Claude Code?
Run npx playbooks add skill cloudflare/skills --skill web-perf in your terminal to install Web Perf into your Claude Code session. It works immediately after installation.
Which AI coding agents work with Web Perf?
Web Perf is compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any AI agent that supports custom system prompts or .cursorrules files.
Is Web Perf free to use?
Yes, Web Perf is completely free and open source. The full source is available on GitHub at https://github.com/cloudflare/skills/tree/main/skills/web-perf. You only need a subscription to the AI agent you use it with.
