title: What is data-gr-c-s-loaded=“true” attribute added to my code
body: <p>I have a simple HTML code and I came across this in the body tag. I do not know from where this came ?</p>
  <pre><code>&lt;body data-gr-c-s-loaded attribute=&quot;true&quot;&gt;...&lt;/body&gt;
  </code></pre>