app.vue file is the main component in your Nuxt 3 applications.
<template> <h1>Hello World!</h1> </template>
If you have a
pages/ directory, to display the current page, use the
<template> <div> <NuxtPage/> </div> </template>
app.vueacts as the main component of your Nuxt application, anything you add in it (JS and CSS) will be global and included in every page.
If you want to have the possibility to customize the structure around the page between pages, checkout the
layouts/ . directory