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Migrating to Next.js App Router

Lessons learned from moving legacy pages to the App Router while keeping SEO intact.

DigitalFunnels Editorial

Founder-led field note

October 23, 2025
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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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