lighthouse-pagespeed-weapon

Opinionated playbook for running Lighthouse and PageSpeed Insights correctly — in CI, locally, and as part of a long-term performance tracking strategy. Synthesized from the Lighthouse 12.6.1 + LHCI 0.15.x canon, the web.dev lab-vs-field framework, and 2025-2026 practitioner patterns.

Read first: guides/00-runner-selection.md — the decision tree for which tool to use before you touch any config.

When to use this skill

Load this skill when lighthouse-pagespeed-guardian is invoked. Trigger phrases: