File: /var/www/delta/wp-content/themes/delta/templates/base/html-header.twig
<!doctype html>
<html {{ site.language_attributes }}>
<head>
<meta charset='{{ site.charset }}'>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
{{ function( 'wp_head' ) }}
{% if cookies_accepted != 'basicCookies' %}
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-88922385-1"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'UA-88922385-1');
</script>
{% endif %}
<script>
var ajaxurl = '{{ ajaxurl }}';
</script>
{% if cookies_accepted != 'basicCookies' %}
<!-- Meta Pixel Code -->
<script>
!function(f,b,e,v,n,t,s)
{if(f.fbq)return;n=f.fbq=function(){n.callMethod?
n.callMethod.apply(n,arguments):n.queue.push(arguments)};
if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';
n.queue=[];t=b.createElement(e);t.async=!0;
t.src=v;s=b.getElementsByTagName(e)[0];
s.parentNode.insertBefore(t,s)}(window, document,'script',
'https://connect.facebook.net/en_US/fbevents.js');
fbq('init', '274257396271567');
fbq('track', 'PageView');
</script>
<noscript><img height="1" width="1" style="display:none"
src="https://www.facebook.com/tr?id=274257396271567&ev=PageView&noscript=1"
/></noscript>
<!-- End Meta Pixel Code -->
{% endif %}
</head>