frontend-architecture

HTML-First Frontend in 2026: When to Ditch the SPA for Plain HTML + Islands

HTML-first ships server-rendered HTML on first request and hydrates only interactive islands. Ditch your React SPA when LCP is over 2.5s, bundle is over 250 KB gzipped, or SEO tanked after a redesign — use Astro if your team knows React, htmx if your backend is Rails, Django, or Go.