Overview
There are several ways to create a sitemap in Nuxt 3, so here are my notes.
[1] @nuxtjs/sitemap
Documentation
Reference Article
https://zenn.dev/kumao/articles/3fe10078a7e9d2
Installation
Repository
https://github.com/nuxt-community/sitemap-module
[2] sitemap
Reference Article
https://zenn.dev/kakkokari_gtyih/articles/db1aed4fed6054
Installation
Repository
https://github.com/ekalinin/sitemap.js
[3] nuxt-simple-sitemap
This package has the following note, so using @nuxtjs/sitemap from [1] seems to be the better choice:
Package has been migrated to @nuxtjs/sitemap.
https://www.npmjs.com/package/nuxt-simple-sitemap
Documentation
https://nuxt.com/modules/simple-sitemap
Reference Article
https://shinobiworks.com/blog/615/
Installation
Repository
https://github.com/nuxt-modules/sitemap
Summary
There may be other options, but I hope this serves as a useful reference.