“Why I Migrated from Next.js to React + Vite + Redux”

When I inherited a project with a JavaScript backend that I couldn’t modify, I faced a critical decision: how to optimize the frontend for better performance and developer experience. Here’s why I chose to migrate from Next.js to React with Vite and Redux Toolkit Query.

Why SSR Wasn’t Helping
The biggest realization was that if your API responses are slow, SSR will only make your pages load slower. Since I was stuck with an existing backend that had performance bottlenecks, Next.js’s server-side rendering became a liability rather than an asset. The pages were taking longer to load because the server had to wait for slow API responses before rendering.

Performance Issues with the Existing Codebase
The previous developer had written components that triggered unnecessary re-renders, making the application sluggish. Additionally, there was no implementation of debouncing or throttling for API requests. The app was making API calls on every keystroke, which significantly impacted rendering performance and user experience.

While this wasn’t the primary reason for changing the frontend stack, it highlighted a crucial point: when your frontend frustrates users with slow loading times, optimization techniques like debouncing become essential.

Why React + Vite Was the Perfect Solution
Lightning-Fast Development Experience. Vite offers instant hot module replacement (HMR) and near-instant startup times. Unlike traditional bundlers, Vite serves source files over native ES modules, eliminating the need to bundle the entire app during development.

This means:
Faster development server startup — almost instantaneous compared to Next.js
Instant updates when making changes to React components
Better developer productivity with minimal configuration required

Redux Toolkit Query: Centralizing Data Management
To address the data management chaos, I implemented RTK Query (Redux Toolkit Query)which provided several key advantages:
Centralized State Management

• Single source of truth for all application data
• Automatic caching and invalidation of API responses
• Background synchronization to keep data fresh

`import { configureStore } from '@reduxjs/toolkit' import authReducer from './slices/authSlice' import uiReducer from './slices/uiSlice' import doctorReducer from './slices/doctorSlice' import hospitalReducer from './slices/hospitalSlice' export const store = configureStore({ reducer: { auth: authReducer, ui: uiReducer, doctor: doctorReducer, hospital: hospitalReducer, }, middleware: (getDefaultMiddleware) => getDefaultMiddleware({ serializableCheck: { ignoredActions: ['persist/PERSIST'], }, }), }) export type RootState = ReturnType<typeof store.getState> export type AppDispatch = typeof store.dispatch ` 

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Performance Optimizations

• Reduced boilerplate code compared to traditional Redux patterns
• Automatic request deduplication to prevent unnecessary API calls
• Built-in support for optimistic updates and real-time data streaming Developer Experience
• Auto-generated hooks for each API endpoint -Redux DevTools integration for debugging data flow -Consistent approach to data fetching across the entire application Additional Benefits of the New Stack Reduced Server Load By moving to client-side rendering, I eliminated the server-side processing overhead that was slowing down the application with the existing slow backend APIs. Easier Maintenance The zero-configuration setup of Vite and the structured approach of RTK Query made the codebase more maintainable and easier for new developers to understand.

Conclusion
Migrating from Next.js to React + Vite + Redux Toolkit Query was the right decision for this specific scenario. When you’re constrained by backend performance and don’t need SSR benefits, this stack offers superior development experience, better performance, and more flexibility.

The migration not only solved the immediate performance issues but also provided a solid foundation for future development with faster builds, better state management, and improved developer productivity.

Main motive to right this blog is don’t forget about right in the hype of others.

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