<script type="text/javascript">
    mixpanel.track('page viewed', {
      'page name' : document.title,
      'url' : window.location.pathname
    });
</script>

<script type="text/javascript">
mixpanel.people.set({
    '$first_name' : user.first_name,
    '$last_name' : user.last_name,
    '$created' : user.created_at,
    '$email' :  user.email,
    '$user_id' : user.id
});
</script>