router-core/ssr

What problem does it solve?

TanStack Router SSR enables developers to render routes on the server, then hydrate on the client, combining faster first paints with full client interactivity.

Core Features & Use Cases

• Non-streaming SSR: server-render complete pages for fast initial load.
• Streaming SSR: progressively stream content for better perceived performance.
• Document head management: coordinated head tags across server and client.
• Unified loader hydration: dehydrates on server and hydrates on client for data consistency.
• Server/client parity: single router factory used in both environments.

Quick Start

Set up a shared router, enable SSR with createRequestHandler, and render with defaultRenderHandler or defaultStreamHandler to serve both non-streaming and streaming responses.