vue-devtools/packages/shell-chrome/popups/enabled.html

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

<div class="flex">
  <div class="screenshot">
    <img src="./devtools-screenshot.png" alt="Screenshot">
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  <div>
    <p>
      <strong>Vue.js is detected on this page.</strong><br/>
      Open DevTools and look for the Vue panel.
    </p>
    
    <p>
      <a href="https://devtools.vuejs.org/guide/faq.html#the-vue-devtools-don-t-show-up" target="_blank">Troubleshooting</a>
    </p>
  </div>
</div>