diff --git a/js/background.js b/js/background.js
index 19ea1f5e8115..8a15b4c6f129 100644
--- a/js/background.js
+++ b/js/background.js
@@ -38,6 +38,7 @@
     ConversationController.updateInbox();
 
     extension.onLaunched(function() {
+        console.log('extension launched');
         storage.onready(function() {
             if (textsecure.registration.isDone()) {
                 openInbox();
@@ -112,6 +113,7 @@
     }
 
     function onContactSyncComplete() {
+        console.log('Contact sync complete');
         window.dispatchEvent(new Event('textsecure:contactsync'));
     }
 
@@ -227,7 +229,7 @@
         var timestamp = pushMessage.timestamp.toNumber();
         var messages  = new Whisper.MessageCollection();
         var groups    = new Whisper.ConversationCollection();
-        console.log('delivery receipt', pushMessage.source, timestamp);
+        console.log('delivery receipt from', pushMessage.source + '.' + pushMessage.sourceDevice, timestamp);
 
         if (pushMessage.source === textsecure.storage.user.getNumber()) {
             // disregard delivery receipts from myself
diff --git a/js/libtextsecure.js b/js/libtextsecure.js
index 097e37daee37..2d21b6482bb7 100644
--- a/js/libtextsecure.js
+++ b/js/libtextsecure.js
@@ -36802,8 +36802,6 @@ MessageReceiver.prototype = {
             // user they received an invalid message
             request.respond(200, 'OK');
 
-            console.log('envelope', envelope.source + '.' + envelope.sourceDevice, envelope.timestamp);
-
             if (envelope.type === textsecure.protobuf.Envelope.Type.RECEIPT) {
                 return this.onDeliveryReceipt(envelope);
             } else if (envelope.content) {
@@ -36867,6 +36865,7 @@ MessageReceiver.prototype = {
         }.bind(this));
     },
     handleDataMessage: function(envelope, message, close_session) {
+        console.log('data message from', envelope.source + '.' + envelope.sourceDevice, envelope.timestamp.toNumber());
         if ((message.flags & textsecure.protobuf.DataMessage.Flags.END_SESSION) ==
                 textsecure.protobuf.DataMessage.Flags.END_SESSION ) {
             close_session();
@@ -36912,6 +36911,7 @@ MessageReceiver.prototype = {
         }
         if (syncMessage.sent) {
             var sentMessage = syncMessage.sent;
+            console.log('sent message to', sentMessage.destination, envelope.timestamp.toNumber(), 'from', envelope.source + '.' + envelope.sourceDevice);
             return this.handleSentMessage(
                     sentMessage.destination,
                     sentMessage.timestamp,
@@ -36928,6 +36928,7 @@ MessageReceiver.prototype = {
         }
     },
     handleContacts: function(contacts) {
+        console.log('contact sync');
         var eventTarget = this;
         var attachmentPointer = contacts.blob;
         return this.handleAttachment(attachmentPointer).then(function() {
@@ -36943,6 +36944,7 @@ MessageReceiver.prototype = {
         });
     },
     handleGroups: function(groups) {
+        console.log('group sync');
         var eventTarget = this;
         var attachmentPointer = groups.blob;
         return this.handleAttachment(attachmentPointer).then(function() {
diff --git a/libtextsecure/message_receiver.js b/libtextsecure/message_receiver.js
index 71bdf95927a0..f6e95d39f9bf 100644
--- a/libtextsecure/message_receiver.js
+++ b/libtextsecure/message_receiver.js
@@ -70,8 +70,6 @@ MessageReceiver.prototype = {
             // user they received an invalid message
             request.respond(200, 'OK');
 
-            console.log('envelope', envelope.source + '.' + envelope.sourceDevice, envelope.timestamp);
-
             if (envelope.type === textsecure.protobuf.Envelope.Type.RECEIPT) {
                 return this.onDeliveryReceipt(envelope);
             } else if (envelope.content) {
@@ -135,6 +133,7 @@ MessageReceiver.prototype = {
         }.bind(this));
     },
     handleDataMessage: function(envelope, message, close_session) {
+        console.log('data message from', envelope.source + '.' + envelope.sourceDevice, envelope.timestamp.toNumber());
         if ((message.flags & textsecure.protobuf.DataMessage.Flags.END_SESSION) ==
                 textsecure.protobuf.DataMessage.Flags.END_SESSION ) {
             close_session();
@@ -180,6 +179,7 @@ MessageReceiver.prototype = {
         }
         if (syncMessage.sent) {
             var sentMessage = syncMessage.sent;
+            console.log('sent message to', sentMessage.destination, envelope.timestamp.toNumber(), 'from', envelope.source + '.' + envelope.sourceDevice);
             return this.handleSentMessage(
                     sentMessage.destination,
                     sentMessage.timestamp,
@@ -196,6 +196,7 @@ MessageReceiver.prototype = {
         }
     },
     handleContacts: function(contacts) {
+        console.log('contact sync');
         var eventTarget = this;
         var attachmentPointer = contacts.blob;
         return this.handleAttachment(attachmentPointer).then(function() {
@@ -211,6 +212,7 @@ MessageReceiver.prototype = {
         });
     },
     handleGroups: function(groups) {
+        console.log('group sync');
         var eventTarget = this;
         var attachmentPointer = groups.blob;
         return this.handleAttachment(attachmentPointer).then(function() {