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How To Serve a robots.txt file in Next.js App Router

In this guide, we'll walk through the simple steps required to serve a robots.txt file using a serverless function in Next.js's App Router. This task is straightforward, and we aim to keep it that way.

Step-by-Step Guide

Create the route handler for the robots.txt file

mkdir src/app/robots.txt
touch src/app/robots.txt/route.ts

Then, create a serverless function in your Next.js application. This function will return the robots.txt content.

Here's a basic example:

export async function GET() {
	const robotstxt = `User-agent: *\nSitemap: https://www.yoursite.com/sitemap.xml\nDisallow: /api/`;
	return new Response(robotstxt, {
		status: 200,
		headers: {
			"content-type": "text/plain; charset=utf-8",
			"cache-control": "s-maxage=31556952",
		},
	});
}

You may not have a sitemap for your site, but if you do, don't forget to replace the https://www.yoursite.com/sitemap.xml with your actual sitemap URL.

Understanding the robots.txt File

A robots.txt file instructs web crawlers about pages or sections of your site that should not be processed or indexed. This allows you to control the search engine's access to your site and ensure that only relevant content is made searchable.

1b:T4e7,How To Serve a robots.txt file in Next.js App Router In this guide, we'll walk thr

Next.js

How to Serve a Robots.txt File in Next.js App Router