vue-devtools/packages/shell-chrome/popups/disabled.nuxt.html

<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="./popup.css">

<p>
  <strong>Nuxt + Vue.js is detected on this page.</strong><br/>
  Devtools inspection is not available because it's in
  production mode or explicitly disabled by the author.
</p>