Andrew Magill • 1/21/1970

Multi-lingual Routing via Proxy Layer in Next.js 16

This technical article details implementing a multi-lingual routing solution in Next.js 16 using the Proxy Layer (formerly middleware). It describes a three-way classification system for routes (SEO-first, application, and system) to handle locale detection, clean URLs for authenticated users, and bypasses for auth callbacks and static assets, integrating tools like next-intl and Supabase Auth.

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#nextjs #i18n #routing