Stop Losing SEO
to Your React SPA.
Migrate to Next.js.
We convert Create React App codebases to Next.js App Router. SSR, image optimisation, route handlers zero SEO disruption, zero downtime.
What's Included
App Router Migration
Full conversion from pages/ to the App Router with layout.tsx, loading.tsx, and error.tsx.
SSR & SSG Setup
Server Components, generateStaticParams, and ISR configured for maximum Lighthouse Core Web Vitals.
Middleware Auth
Edge middleware replacing your SPA client-side auth guards with faster, more secure server-side protection.
Image Optimisation
All <img> tags replaced with next/image for WebP conversion, lazy loading, and CLS elimination.
TypeScript Conversion
Full .js ? .tsx migration with strict mode, type-safe API routes, and Zod validation schemas.
30-Day Warranty
30 days of free bug fixes and performance tuning included post-launch. No extra charge.
"Our CRA app had a Lighthouse score of 42. After the migration to Next.js App Router, it jumped to 97. Page load went from 4.2s to 0.8s. Our organic traffic doubled within 6 weeks."
"We were afraid of breaking 200+ routes. They parallelised old and new apps via feature flags, tested every route, and cut over in a Sunday morning deploy. Total downtime: 0 seconds."
Related services and tools
Frequently Asked Questions
How long does a React to Next.js migration take?
Most CRA to Next.js migrations take 24 weeks depending on codebase size and complexity. We provide a fixed timeline during the free technical audit.
Will my SEO rankings drop during migration?
No. We run both apps in parallel behind a feature flag, validate crawl coverage and redirects, then cut over in a single deployment. Your Google rankings are protected and typically improve within weeks.
What is included in the migration scope?
Full App Router migration, SSR/SSG, image optimisation, route handlers, middleware auth, TypeScript conversion, CI/CD pipeline, and 30 days of post-launch support are all included.
Ready to Escape the SPA Performance Trap?
Free 15-minute technical audit. Same-day Loom response. Senior engineer on every call.
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