diff --git a/views/layout.jade b/views/layout.jade
index 809c6db4bd1..839ca31e183 100644
--- a/views/layout.jade
+++ b/views/layout.jade
@@ -28,3 +28,4 @@ script.
       ga('create', 'UA-55446531-1', 'auto');
       ga('require', 'displayfeatures');
       ga('send', 'pageview');
+script(src="//cdn.optimizely.com/js/999692993.js")