That&#x27;s interesting. I see<p><pre><code>   &quot;dnt&quot;: &quot;1&quot;
</code></pre>
using Firefox, regardless of whether &quot;tell sites I do not want to be tracked&quot; is unchecked or unchecked.<p>Could be a bug in Firefox, since visiting your site with Safari doesn&#x27;t send the header at all (which is how it&#x27;s supposed to work).<p>Edit: Sorry about the noise. It&#x27;s not your site, and it&#x27;s not Firefox. NoScript took it upon itself to set this header!