Web Performance Audit Your knowledge of web performance metrics, thresholds, and tooling APIs may be outdated. Prefer retrieval over pre-training when citing specific numbers or recommendations. Retrieval Sources | Source | How to retrieve | Use for | |--------|----------------|---------| | web.dev | | Core Web Vitals thresholds, definitions | | Chrome DevTools docs | | Tooling APIs, trace analysis | | Lighthouse scoring | | Score weights, metric thresholds | FIRST: Verify MCP Tools Available Run this before starting. Try calling or . If unavailable, STOP—the chrome-devtools MCP server isn't…