From f28a8c4ba590b347ebec3740c780617963cc4be0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Peter=20M=C3=BCller?=
Date: Fri, 13 Apr 2012 16:26:36 +0200
Subject: [PATCH 01/41] Optimized frontend performance by delaying google and
twitter scripts till after the application is loaded
---
public/index.html | 26 +++++++++++++++++++++-----
1 file changed, 21 insertions(+), 5 deletions(-)
diff --git a/public/index.html b/public/index.html
index 79fcfde..ffa2060 100644
--- a/public/index.html
+++ b/public/index.html
@@ -67,7 +67,6 @@ Arrow configuration
-
@@ -88,11 +87,28 @@ Arrow configuration
_gaq.push(['_trackPageview']);
(function() {
- var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
- ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
- var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
- })();
+ var defer = (function (document, script) {
+ var urls = [],
+ firstScript = document.getElementsByTagName(script)[0];
+
+ return function (url, callback) {
+ var inc;
+ if (url && urls.indexOf(url) === -1) {
+ inc = document.createElement(script);
+ inc.async = true;
+ inc.src = url;
+ inc.onload = callback || function () {};
+ firstScript.parentNode.insertBefore(inc, firstScript);
+ }
+ }
+ }(document, 'script'));
+
+ window.onload = function () {
+ defer(('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js');
+ defer('//platform.twitter.com/widgets.js');
+ };
+ })();