performance-readiness

Most launch-day slowness comes from a handful of avoidable things: a 4 MB hero PNG, five font files, a chat widget and two trackers on the first paint. Fix those. Deep tuning is a separate project.

Activate when

• Any public page before launch, or the site feels slow on a phone.
• production-all routes here (check 40).
• Not for load testing, server capacity, or database performance.

Inspect

1. Asset and markup sweep (paths relative to this skill's folder; production build, served with compression if possible):