Hopefully fixed #106 by being super conservative about whether G+, FB, and Twitter can be loaded.

app/lib/Router.coffee

@@ -62,11 +62,11 @@ module.exports = class CocoRouter extends Backbone.Router
 
   renderLoginButtons: ->
     $('.share-buttons, .partner-badges').addClass('fade-in').delay(10000).removeClass('fade-in', 5000)
-    setTimeout(FB.XFBML.parse, 10) if FB?  # Handles FB login and Like
-    twttr?.widgets?.load()
+    setTimeout(FB.XFBML.parse, 10) if FB?.XFBML?.parse  # Handles FB login and Like
+    twttr?.widgets?.load?()
 
     return unless gapi?.plusone?
-    gapi.plusone.go()  # Handles +1 button
+    gapi.plusone.go?()  # Handles +1 button
     for gplusButton in $('.gplus-login-button')
       params = {
         callback:"signinCallback",
@@ -75,7 +75,7 @@ module.exports = class CocoRouter extends Backbone.Router
         scope:"https://www.googleapis.com/auth/plus.login https://www.googleapis.com/auth/userinfo.email",
         size:"medium",
       }
-      if gapi.signin
+      if gapi.signin?.render
         gapi.signin.render(gplusButton, params)
       else
         console.warn "Didn't have gapi.signin to render G+ login button. (DoNotTrackMe extension?)"

app/lib/Tracker.coffee

@@ -24,7 +24,7 @@ module.exports = class Tracker
     return if me.get("anonymous")
     olark 'api.visitor.updateEmailAddress', emailAddress: me.get("email")
     olark 'api.chat.updateVisitorNickname', snippet: me.displayName()
-    
+
   updatePlayState: (level, session) ->
     link = "codecombat.com/play/level/#{level.get('slug') or level.id}?session=#{session.id}"
     snippet = [
@@ -32,10 +32,10 @@ module.exports = class Tracker
       "User ID: #{me.id}"
       "Session ID: #{session.id}"
       "Level: #{level.get('name')}"
-      
+
     ]
-    olark 'api.chat.updateVisitorStatus', snippet: snippet 
-    
+    olark 'api.chat.updateVisitorStatus', snippet: snippet
+
   trackPageView: ->
     return unless @isProduction and analytics?
     url = Backbone.history.getFragment()

app/lib/auth.coffee

@@ -27,7 +27,7 @@ module.exports.loginUser = (userObject, failure=genericFailure) ->
   jqxhr.fail(failure)
 
 module.exports.logoutUser = ->
-  FB.logout()
+  FB?.logout?()
   res = $.post('/auth/logout', {}, ->
     saveObjectToStorage(CURRENT_USER_KEY, null)
     window.location.reload()

app/views/play/level/modal/victory_modal.coffee

@@ -92,9 +92,9 @@ module.exports = class VictoryModal extends View
   afterInsert: ->
     super()
     Backbone.Mediator.publish 'play-sound', trigger: "victory"
-    gapi?.plusone.go @$el[0]
-    FB?.XFBML.parse @$el[0]
-    twttr?.widgets?.load()
+    gapi?.plusone?.go? @$el[0]
+    FB?.XFBML?.parse? @$el[0]
+    twttr?.widgets?.load?()
 
   onHidden: ->
     Backbone.Mediator.publish 'level:victory-hidden'