diff --git a/templates/base.html b/templates/base.html
index f74fd0df90..c41ac36b4b 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -259,7 +259,8 @@
             function gtag(){dataLayer.push(arguments);}
             gtag('js', new Date());
             gtag('config', '{{ GOOGLE_GTAG }}', {
-              'user_id': DJANGO_VARS.props ? DJANGO_VARS.props._uid : null
+                'user_id': DJANGO_VARS.props ? DJANGO_VARS.props._uid : 'null',
+                'traffic_type' : DJANGO_VARS.props._email.includes('sefaria.org') ? 'internal' : null
             });
 
             <!-- attach analyticsEventTracker -->