Web & Apps
Vercel
Migrating to Next.js App Router
Lessons learned from moving legacy pages to the App Router while keeping SEO intact.
Michael Whitaker
Lead Developer
October 23, 2025
8 min read
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Lessons learned from moving legacy pages to the App Router while keeping SEO intact.
Key takeaways
- Codebase slicing strategy: start with marketing, then app routes.
- ISR + revalidation gotchas for CMS-driven pages.
- CI/CD guardrails when shipping React Server Components.
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About Michael Whitaker
Lead Developer • Portland, OR
Full-stack engineer focused on performance, CI/CD, and DX improvements.