PERFORMANCE & CORE WEB VITALS GUIDES
Core Web Vitals, LCP, CLS, INP. Real numbers from real builds, not benchmarks. What actually moves the needle in 2026.
CSP for static sites: the directives nobody documents
The CSP directives that actually matter for static sites in 2026. The FAL + Supabase + Pagefind playbook from real production incidents.
The image pipeline that hits Lighthouse 100 by default
The FAL plus Sharp image pipeline I run on every Seahawk site to hit Lighthouse 100 by default. With concrete code and file-size numbers.
The Core Web Vitals checklist I actually run
The 12-item Core Web Vitals checklist I run before declaring any site launch-ready. Concrete, short, built for use.
Core Web Vitals and performance in 2026: a working guide
Performance as a structural posture in 2026. The four metrics that rank, the image pipeline that fixes most issues, and the CWV checklist I actually run.