Pre-Launch Checklist
Unique title + description on every page. Canonical tag on every page. OG and Twitter Card meta. Sitemap submitted to Search Console. All images have alt text. JSON-LD schema validated. Core Web Vitals passing — PageSpeed 90+. HTTPS enforced. No broken internal links.
Core Web Vitals Quick Tips
LCP under 2.5s: Use next/image with priority on hero images. INP under 200ms: Defer heavy JS, use useTransition for non-urgent updates. CLS under 0.1: Always set explicit width and height on images.
