Frontend Performance Audit with web-perf Skill: Integrate Core Web Vitals into Agent Workflow

### Official Cloudflare Agent Skill `web-perf` Introduction This tool leverages Chrome DevTools MCP to audit Core Web Vitals (LCP, INP, CLS) alongside FCP, TBT, and Speed Index, and troubleshoots issues including render-blocking resources, network dependency chains, layout shifts, and caching problems. The article explains its positioning, five-stage workflow, installation methods in tools such as Cursor, Claude Code, and Codex, mandatory configurations for MCP, typical prompt words and output formats, and reminds users to verify thresholds against current official documentation and avoid hardcoding conclusions without an MCP.