In this example:

pages/index.vue shows:

• $nuxt.isOnline and $nuxt.isOffline - tells the user if they are online or offline.
• renderedOn - prints a message telling us if the page is rendered on the server or client.
• $nuxt.refresh() - refreshes data without refreshing the page.

plugins/nuxt-ready.client.js shows:

• window.onNuxtReady - logs a message to the console when Nuxt is reday.