if (typeof chrome === 'undefined' ||
    !chrome ||
    (!chrome.extension && !chrome.app)) {
  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');

  ga('create', 'UA-40459098-2', 'passwordgen.org');
  ga('send', 'pageview');
}

@@ -70,17 +70,23 @@
 nsion &&
- 
+%0A     (
 !chrome.
@@ -92,12 +92,76 @@
 .app
-)) %7B
+ %7C%7C !chrome.app.window))) %7B%0A  console.log('Adding analytics code.');
 %0A  (

Fix check for extension/app in Analytics.