2.x
<keep-alive>
Introduced in v1.2.0, you can add the keep-alive prop to <Nuxt/> or <NuxtChild/> to "keep alive" the pages.
keep-alive
<Nuxt/>
<NuxtChild/>
layouts/default.vue:
layouts/default.vue
<template> <Nuxt keep-alive/> </template>
Screenshot: