magento2-performance-audit

# Magento 2 Performance Audit This skill performs a comprehensive audit of Magento 2 performance, infrastructure, and code-level patterns. > **This is a checklist, not a menu.** All 9 steps under **Workflow** (bottom of this file) run on every invocation — infra, indexer/cron, per-page-type capture, Slow Query Analysis, Cache Invalidation Efficiency, Client-Side AJAX Load, Core Web Vitals, code-level grep, report. Picking the steps that feel highest-signal for the effort and quietly dropping the rest (no admin creds, no Chrome DevTools MCP, "I already found a good bug") is the single most common failure mode of this skill — it produces a confident, well-formatted report that silently covers less than half the checklist. If a step genuinely can't run, say so *in the report, under that step's own heading* — `Skipped: <reason>` — never by omission. See the self-verification gate at the end of Workflow: the report is not done until it's been checked against the Audit Report Template line by line. > **Distinguish a scoped ask from an unscoped one — this rule governs dropping steps quietly, not answering a narrower question.** A general ask — "audit performance", "review this project before launch" — is unscoped: all 9 steps apply, none optional, exactly as above. When the user's own words name one specific category instead ("just check the MySQL query count", "audit N+1s only", "how many queries does the homepage run"), scope the work to that category and its reference file(s) ...