This is a step-by-step guide on integrating Next.js with Contentful, a popular CMS option. The process involves setting up Contentful and Netlify, creating content models, installing the necessary modules, and configuring API keys and webhooks to connect the two platforms. A demo project is provided for users to follow along and build their own application using Contentful and Next.js. The guide covers topics such as setting up a new Next.js project, installing Contentful, making API calls, and using getStaticProps to fetch data at build time. The goal of this integration is to create a seamless experience for users who want to use Contentful's features within their Next.js applications.