title: Facebook Pixel loads twice
body: <p>I'm <a href="https://www.facebook.com/business/help/1021909254506499" rel="nofollow noreferrer">using Facebook pixel with Google Tag Manager</a> , everything is working perfectly except that some times FB pixel loads twice with no Pixel Id</p>
  
  <p><a href="https://i.stack.imgur.com/urNF3.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/urNF3.jpg" alt="enter image description here"></a></p>
  
  <ol>
  <li>In Google Tag Manager <strong>Facebook pixel base code</strong> <code>Tag firing options</code> is set to <code>Once per page</code>. </li>
  <li>Every tag that I'm using is set to fire after <strong>Facebook pixel base code</strong> in <code>Advanced Settings &gt; Tag Sequencing &gt; Fire a tag before [My tag Name] fires &gt; Setup Tag</code> = <strong>Facebook pixel base code</strong></li>
  <li>Facebook version is <code>n.version='2.0';</code></li>
  <li><code>URL Called:</code> in <code>Facebook Pixel Helper</code> is something like this <em><a href="https://www.facebook.com/tr/?batch=1&amp;rqm=GET&amp;dt=[SomethingRandom]" rel="nofollow noreferrer">https://www.facebook.com/tr/?batch=1&amp;rqm=GET&amp;dt=[SomethingRandom]</a></em></li>
  </ol>