diff --git a/Gemfile b/Gemfile
index 01c8a4f0..05d4cb65 100644
--- a/Gemfile
+++ b/Gemfile
@@ -36,19 +36,17 @@ gem 'haml-rails'
 # Use SCSS for stylesheets
 gem 'sass-rails', '>= 4.0.2'
 
-# Use Uglifier as compressor for JavaScript assets
-gem 'uglifier', '>= 1.3.0'
-
 # Use bootstrap as the front-end framework
 gem 'bootstrap-sass'
 gem 'formtastic-bootstrap'
 gem 'formtastic', '~> 2.3.0.rc3'
 
-
 # Use jquery as the JavaScript library
 gem 'jquery-rails'
 gem 'jquery-ui-rails'
 gem 'jquery-fileupload-rails'
+gem 'jquery-rails-cdn'
+gem 'jquery-ui-rails-cdn'
 gem 'cocoon'
 
 # Use gravtastic for user avatars
@@ -134,3 +132,8 @@ end
 group :development, :test do
   gem 'byebug'
 end
+
+group :production do
+  # Use Uglifier as compressor for JavaScript assets
+  gem 'uglifier'
+end
diff --git a/Gemfile.lock b/Gemfile.lock
index 5c4b58ac..4b721d53 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -118,7 +118,7 @@ GEM
     diff-lcs (1.2.5)
     docile (1.1.3)
     erubis (2.7.0)
-    execjs (2.0.2)
+    execjs (2.2.1)
     factory_girl (4.4.0)
       activesupport (>= 3.0.0)
     factory_girl_rails (4.4.1)
@@ -167,8 +167,12 @@ GEM
     jquery-rails (3.1.0)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
+    jquery-rails-cdn (1.0.3)
+      jquery-rails
     jquery-ui-rails (4.2.1)
       railties (>= 3.2.16)
+    jquery-ui-rails-cdn (0.1.5)
+      jquery-ui-rails (~> 4.1)
     json (1.8.1)
     jwt (1.0.0)
     launchy (2.4.2)
@@ -377,7 +381,7 @@ GEM
       coffee-rails
     tzinfo (1.2.1)
       thread_safe (~> 0.1)
-    uglifier (2.5.0)
+    uglifier (2.5.3)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
     user_agent_parser (2.1.5)
@@ -423,7 +427,9 @@ DEPENDENCIES
   hoptoad_notifier (~> 2.3)
   jquery-fileupload-rails
   jquery-rails
+  jquery-rails-cdn
   jquery-ui-rails
+  jquery-ui-rails-cdn
   letter_opener
   mina
   mysql2
@@ -451,5 +457,5 @@ DEPENDENCIES
   timecop
   transitions
   turbolinks
-  uglifier (>= 1.3.0)
+  uglifier
   whenever
diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index 0898e46b..482ab129 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -9,9 +9,7 @@
 //
 // WARNING: THE FIRST BLANK LINE MARKS THE END OF WHAT'S TO BE PROCESSED, ANY BLANK LINE SHOULD
 // GO AFTER THE REQUIRES BELOW.
-//
-//= require jquery
-//= require jquery.ui.all
+
 //= require jquery_ujs
 //= require jquery-fileupload
 //= require jquery-ui-timepicker-addon
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index 84263735..492ff5ee 100644
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -5,9 +5,11 @@
     %title= content_for?(:title) ? yield(:title) : "OSEM"
     %meta{:content => "", :name => "description"}
     %meta{:content => "", :name => "author"}
+    = jquery_include_tag :google
+    = jquery_ui_include_tag :google
+    = javascript_include_tag "application"
     = stylesheet_link_tag "application", :media => "all"
     = stylesheet_link_tag "splash" if content_for :splash
-    = javascript_include_tag "application"
     = csrf_meta_tags
     :javascript
       $(function() {
diff --git a/config/boot.rb b/config/boot.rb
index d2a5e451..fa732982 100644
--- a/config/boot.rb
+++ b/config/boot.rb
@@ -1,6 +1,4 @@
 require 'rubygems'
-require 'yaml'
-YAML::ENGINE.yamler = 'syck'
 # Set up gems listed in the Gemfile.
 ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
 
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 69c7f9de..48dda5fd 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -1,4 +1,4 @@
-Osem::Application.configure do
+Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb
 
   # Code is not reloaded between requests
@@ -16,8 +16,8 @@ Osem::Application.configure do
 
   # Disable Rails's static asset server (Apache or nginx will already do this)
   config.serve_static_assets = false
-  # Compress JavaScripts and CSS
-  config.assets.compress = true
+  # Compress JavaScripts
+  config.assets.js_compressor = :uglifier
 
   # Don't fallback to assets pipeline if a precompiled asset is missed
   config.assets.compile = false