diff --git a/source/js/main.js b/source/js/main.js
index 332dbb1..2410bb5 100644
--- a/source/js/main.js
+++ b/source/js/main.js
@@ -2,10 +2,14 @@
 
 var socket = new WebSocket('ws://localhost:8080');
 var thematrix = require('./thematrix');
+var allowedMessages = ['LoadArticle', 'pageview', 'articleseen'];
 
 socket.onmessage = (e) => {
-  console.log(e.data);
-  thematrix.draw(e.data.split('|'));
+  var data = e.data.split('|');
+
+  if(allowedMessages.indexOf(data[0]) > -1) {
+    thematrix.draw(data);
+  }
 };
 
 socket.onopen = () => console.log('Connected');
diff --git a/source/js/thematrix.js b/source/js/thematrix.js
index 0a5c9e0..962edcf 100644
--- a/source/js/thematrix.js
+++ b/source/js/thematrix.js
@@ -23,7 +23,7 @@ var createCol = (text) => {
 
   col.css({
     left: Math.floor(Math.random() * width),
-    top: Math.floor(Math.random() * height)
+    top: Math.floor(Math.random() * height * 0.66)
   });
 
   killWhenDone(col, text.length);