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Next.js FAQs (Beginner to Advanced) Part 2

Published: December 31, 2025
Written by Sumeet Shroff
12.31.25
Next.js FAQs (Beginner to Advanced) Part 2

Next.js is a powerful React framework that simplifies building modern web applications, offering both server-side and static site generation. Whether you're just starting out or looking to master advanced features, understanding how Next.js works can help you build faster, more scalable websites.

At Prateeksha Web Design, we frequently use Next.js to deliver high-performance websites for clients across various industries. Our team stays updated with the latest Next.js advancements, ensuring your project leverages the best practices and tools available.

Below, we answer some of the most common Next.js questions, covering everything from project setup to advanced deployment and optimization techniques. If you need tailored Next.js solutions, our experts are ready to help.

FAQs

How to start/run a Next.js app (includes: how to start a nextjs project, how to run nextjs app)

To start a Next.js project, open your terminal and run:

npx create-next-app@latest my-next-app
cd my-next-app
npm run dev

This creates a new Next.js project and runs the development server at http://localhost:3000. You can now start building your app. At Prateeksha Web Design, we help clients set up Next.js projects efficiently, configure custom settings, and ensure a smooth development workflow.

Is Next.js frontend or backend? / Can Next.js be used as backend? (includes: is nextjs frontend or backend, can nextjs be used as backend)

Next.js is primarily a frontend framework built on React but supports backend features. With API routes and server-side rendering, Next.js can handle backend logic like data fetching and authentication. This makes it a full-stack solution for many web apps. Prateeksha Web Design leverages these capabilities to build end-to-end solutions using a single codebase.

What is Next.js used for? / What does Next.js do? (includes: what is nextjs used for, what does nextjs do)

Next.js is used to build fast, scalable web applications. It offers features like server-side rendering, static site generation, and API routes. This helps create SEO-friendly, high-performance sites and web apps. At Prateeksha Web Design, we use Next.js for e-commerce, blogs, SaaS platforms, and more, ensuring excellent user experience and search visibility.

Is Next.js a SPA?

Next.js can create Single Page Applications (SPA), but it also supports server-side rendering (SSR) and static site generation (SSG). This flexibility allows developers to choose the best approach for their needs. Prateeksha Web Design can help you decide which rendering method suits your project goals.

Is Next.js React?

Yes, Next.js is a framework built on top of React. It adds features like routing, SSR, and SSG, making React development more powerful and efficient. If you already know React, learning Next.js is straightforward. Our team at Prateeksha Web Design specializes in both React and Next.js solutions.

Does Next.js support TypeScript? (includes: is nextjs typescript)

Absolutely! Next.js has built-in TypeScript support. You can start a TypeScript project by adding a tsconfig.json file or using the command:

npx create-next-app@latest --typescript

Prateeksha Web Design often uses TypeScript with Next.js for safer, more maintainable codebases.

Does Netflix use Next.js?

Netflix does not use Next.js for its main streaming platform. However, some Netflix subdomains and projects have used Next.js for marketing or landing pages. Many major companies do use Next.js for production websites. Prateeksha Web Design can help you adopt similar enterprise-level practices.

How old is Next.js?

Next.js was first released in October 2016 by Vercel (formerly ZEIT). Since then, it has rapidly evolved and become one of the most popular React frameworks for web development. At Prateeksha Web Design, we keep up with the latest Next.js versions to provide modern solutions.

How to change favicon in Next.js

To change the favicon in a Next.js project, add your favicon.ico file to the /public directory. Then, update the <Head> component in your pages (usually in _app.js or a layout component):

import Head from 'next/head';

<Head> <link rel="icon" href="/favicon.ico" /> </Head>

Prateeksha Web Design handles all branding and asset updates as part of our Next.js builds.

How to host a Next.js app on AWS

To host a Next.js app on AWS, you can use services like AWS Amplify, S3 (for static sites), or deploy server-side apps with AWS Elastic Beanstalk or Lambda. The basic steps:

  • Build your app (npm run build)
  • Deploy static files to S3 or SSR app to Elastic Beanstalk/Lambda
  • Configure domain and SSL

Prateeksha Web Design can manage AWS hosting, deployment, and scaling for your Next.js projects.

How to upgrade Next.js 14 to 15

To upgrade from Next.js 14 to 15, update your package.json:

npm install next@latest

Check the official Next.js migration guide for breaking changes. Test your app thoroughly after upgrading. Prateeksha Web Design assists clients with safe upgrades, code refactoring, and compatibility checks.

Is Next.js serverless?

Next.js supports serverless deployment, especially when using Vercel or AWS Lambda. API routes and SSR pages can run as serverless functions. However, it can also be deployed on traditional servers. Prateeksha Web Design helps you choose the best deployment strategy for performance and cost.

Should I use ESLint with Next.js?

Yes, using ESLint with Next.js is recommended. It helps catch code errors and enforces best practices. Next.js includes built-in ESLint integration, making setup easy. Prateeksha Web Design configures ESLint for all projects to ensure code quality and maintainability.

What is Turbopack in Next.js?

Turbopack is a new, high-performance bundler introduced for Next.js. It aims to replace Webpack, offering faster builds and improved development speeds. Turbopack is still evolving but promises significant productivity gains. Prateeksha Web Design evaluates and implements the latest tools like Turbopack for optimal project delivery.

Where does Next.js build output go? (includes: where does nextjs build to)

When you run npm run build in Next.js, the output is generated in the .next directory at your project root. This includes static files, server-side rendered pages, and other build artifacts. Prateeksha Web Design manages build outputs and deployment pipelines for seamless launches.

Who developed Next.js?

Next.js was developed by Vercel, a company specializing in frontend cloud platforms. Vercel continues to maintain and innovate the Next.js framework. At Prateeksha Web Design, we follow Vercel's best practices and updates to deliver robust Next.js solutions.

Can I use Redux with Next.js?

Yes, you can use Redux with Next.js for state management. Integration requires some setup, especially for server-side rendering. Libraries like next-redux-wrapper help manage the Redux store across SSR and client-side. Prateeksha Web Design implements Redux in Next.js apps when complex state management is needed.

Can I use Vite with Next.js?

Currently, Next.js does not support Vite as its build tool. Next.js uses its own bundler (Webpack or Turbopack). If you want Vite’s features, consider using it with plain React projects. Prateeksha Web Design can recommend the right stack based on your needs.

can you use react router with Nextjs

It’s not recommended to use React Router with Next.js, as Next.js has its own built-in file-based routing system. Mixing both can cause conflicts. Prateeksha Web Design uses Next.js routing for all navigation and dynamic routes.

did vercel create Nextjs

Yes, Vercel (previously called ZEIT) created Next.js and continues to maintain it. Vercel is known for its cloud platform and for driving innovation in web development. Prateeksha Web Design stays updated with Vercel’s advancements for all Next.js projects.

Sumeet Shroff
Sumeet Shroff
Sumeet Shroff is a renowned expert in web design and development, sharing insights on modern web technologies, design trends, and digital marketing.

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