How to Audit a Slow WordPress Site Checklist 1. Run baseline tests (Lighthouse + PageSpeed) on key pages. 2. Record LCP, CLS, INP, and request counts. 3. Export current plugin list and identify duplicates. 4. Check image optimization and lazy-loading setup. 5. Verify caching plugin configuration and cache behavior. 6. Review theme/page-builder overhead. 7. Identify third-party script bloat. 8. Prioritize quick wins vs architecture-level fixes. 9. Re-test after each batch of changes. 10. Document before/after results for developer handoff.