You're about to build an MVP. You have 8–12 weeks of runway and one shot at finding product-market fit. The framework you pick decides how fast you can learn — not how impressive your architecture looks.
Plain React SPAs (CRA, Vite alone) render on the client — Google sees an empty div for your first few crawls. For a SaaS with a public landing page, blog and pricing page, that's a real growth cost.
Next.js gives you server-rendered HTML on every route by default. Your landing page is indexable on day one, and your marketing team doesn't need a separate WordPress install.
Between Clerk / NextAuth, Prisma / Drizzle, and Stripe's Next.js starters, a full authenticated + paid SaaS shell is one afternoon of glue code. Every hour you save on plumbing is an hour you spend talking to users.
Server Components let you fetch data next to the UI that uses it — no more prop-drilling loading states through three layers. Streaming and Suspense mean a slow query on one panel doesn't block the whole page.
Global edge deployment means your users in Bengaluru, Berlin and Boston all see sub-100ms TTFB. And if you outgrow Vercel's pricing, Cloudflare's OpenNext adapter gets you portability without a rewrite.
If your MVP is a purely internal tool with zero public surface (an internal dashboard, a data pipeline UI), Vite + React Router or TanStack Start are lighter. If you're heavy on real-time (multiplayer, chat), pair Next.js with a dedicated WebSocket service — don't try to force it into a serverless function.
For 90% of SaaS MVPs — public landing page, authenticated app, Stripe subscriptions — Next.js is the pragmatic default in 2026. It's boring, well-documented, and gets out of your way. That's exactly what you want when you're racing to find PMF.
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