De Architecture·September 17, 2026·1 min read Designing a Headless E-commerce Frontend in 2026 Why headless? Shops need speed, personalisation and multi-channel. A monolith slows all three. The stack: Laravel backend + React frontend + Redis cache + Edge CDN. Patterns that worked API-first with clean DTOs Islands architecture for expensive widgets Stale-while-revalidate for product feeds Performance went from 3.2s to 0.6s first paint. Users noticed.