Web Performance Audit
$1.99OfficialDiagnose Core Web Vitals with field and lab data and produce an impact-ranked optimization plan. Use for slow pages, LCP/INP/CLS issues, or perf regressions.
frontendperformancecore-web-vitalslighthouselcpoptimizationfrontend· by SkillingMain
What you get
- ✓8-step procedure
- ✓1 ready-to-run code block
- ✓7-point quality checklist
- ✓9 pitfalls to avoid
- ✓Installs into 6 tools
- Version
- v1 →
- Last updated
- today
- Length
- 5 min read
- Requires
- Works with any modern AI assistant
Works in: Claude Code, Codex, Cline, opencode, OpenClaw, Hermes
Preview
When to use
Use when asked to diagnose slow pages, improve Core Web Vitals or Lighthouse scores, shrink bundles, or investigate a performance regression. Trigger on mentions of LCP, INP, CLS, TTFB, PageSpeed, or "the site feels slow". Do not use for backend-only latency work with no page-level component.
Inputs to gather
- Target URLs and which pages matter commercially (landing, product detail, checkout — audit those, not just the homepage).
- Field data access: CrUX via PageSpeed Insights, Search Console, or an in-house RUM tool. Field data at p75 is the source of truth.
- Framework, rendering mode (SSR/SSG/CSR/streaming), hosting and CDN setup.
- Build tooling and whether product
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🔒 Buy once ($1.99) to unlock the full playbook, download it, and install it in every tool you use.