Server-First Architecture 2026: Next.js 15.5 vs Astro 5.4 vs SvelteKit
An analysis of the 2026 feature sets defining server-first performance, comparing Next.js 15.5's PPR & Turbopack, Astro 5.4's Server Islands, and SvelteKit's Runes-driven fine-grained reactivity.
May 19, 2026
Web Architecture