http://loja.brasilfighter.com.br/wp-content/plugins/live-chat/assets/js/firebase.js?ver=4.4.4
https://wagwalking.com/js/firebase.min.js
http://www.paybest.com.ng/wp-content/plugins/yith-live-chat-premium/assets/js/firebase.js?ver=4.5.4
http://www.thaibestsellers.com/wp-content/plugins/yith-live-chat/assets/js/firebase.js?ver=4.6.1
http://kartagr.gr/wp-content/plugins/yith-live-chat/assets/js/firebase.js
http://cswr.ro/wp-content/plugins/yith-live-chat/assets/js/firebase.js?ver=4.6.1