In Next.js, why is it necessary to redeploy in order for content to be updated?

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In Next.js, when the application is built and deployed, the compiled JavaScript and HTML files are saved and hosted on a server. When a user accesses the website, they are provided with these precompiled files.

If there is a change in the content of the website, such as a new blog post or an updated product page, the content must be recompiled and redeployed for users to see the change. This is because Next.js precompiles all the HTML and JavaScript files before the deployment, so any changes require a new build and deploy process.

However, some changes, such as changes to CSS or JavaScript files, may not require a complete rebuild of the website and can be updated without redeploying. This is because these files are served independently and can be updated without affecting the precompiled HTML content.