diff --git a/Gemfile b/Gemfile
index 1e1c47412..356d64f7d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,6 +17,8 @@ gem 'sass-rails', '~> 5.0'
 gem 'sdoc', '~> 0.4.0', group: :doc
 gem 'uglifier', '>= 1.3.0'
 
+gem 'rack-rewrite', '~> 1.5.0'
+
 group :development do
   gem 'web-console', '~> 2.0'
   gem 'spring', '1.7.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 1c6f14901..802d79a65 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,6 +91,7 @@ GEM
       mini_portile2 (~> 2.0.0.rc2)
     pg (0.18.4)
     rack (1.6.4)
+    rack-rewrite (1.5.1)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.6)
@@ -209,6 +210,7 @@ DEPENDENCIES
   jbuilder (~> 2.0)
   jquery-rails
   pg (~> 0.18.4)
+  rack-rewrite (~> 1.5.0)
   rails (= 4.2.6)
   rspec-rails (~> 3.0.0)
   sass-rails (~> 5.0)
diff --git a/config.ru b/config.ru
index bd83b2541..947cfa47f 100644
--- a/config.ru
+++ b/config.ru
@@ -2,3 +2,10 @@
 
 require ::File.expand_path('../config/environment', __FILE__)
 run Rails.application
+
+require 'rack/rewrite'
+use Rack::Rewrite do
+  r301 %r{.*}, 'http://coderdojo.jp$&', :if => Proc.new {|rack_env|
+    rack_env['SERVER_NAME'] == 'www.coderdojo.jp'
+  }
+end
diff --git a/public/browserconfig.xml b/public/browserconfig.xml
new file mode 100755
index 000000000..128dc0077
--- /dev/null
+++ b/public/browserconfig.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig>
+  <msapplication>
+    <tile>
+      <square70x70logo   src="/img/ms-icon-70x70.png"/>
+      <square150x150logo src="/img/ms-icon-150x150.png"/>
+      <square310x310logo src="/img/ms-icon-310x310.png"/>
+      <wide310x150logo   src="/img/ms-icon-310x150.png"/>
+      <TileColor>#da532c</TileColor>
+    </tile>
+  </msapplication>
+</browserconfig>
diff --git a/public/coderdojo-japan_cover.jpg b/public/coderdojo-japan_cover.jpg
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diff --git a/public/dojocon-japan_cover.jpg b/public/dojocon-japan_cover.jpg
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diff --git a/public/img/ms-icon-310x310.png b/public/img/ms-icon-310x310.png
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diff --git a/public/img/ms-icon-70x70.png b/public/img/ms-icon-70x70.png
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diff --git a/public/img/sidebar-bg.jpg b/public/img/sidebar-bg.jpg
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diff --git a/public/manifest.json b/public/manifest.json
new file mode 100755
index 000000000..11a6f5898
--- /dev/null
+++ b/public/manifest.json
@@ -0,0 +1,41 @@
+{
+ "name": "CoderDojo Japan",
+ "icons": [
+  {
+   "src": "\/img\/android-icon-36x36.png",
+   "sizes": "36x36",
+   "type": "image\/png",
+   "density": "0.75"
+  },
+  {
+   "src": "\/img\/android-icon-48x48.png",
+   "sizes": "48x48",
+   "type": "image\/png",
+   "density": "1.0"
+  },
+  {
+   "src": "\/img\/android-icon-72x72.png",
+   "sizes": "72x72",
+   "type": "image\/png",
+   "density": "1.5"
+  },
+  {
+   "src": "\/img\/android-icon-96x96.png",
+   "sizes": "96x96",
+   "type": "image\/png",
+   "density": "2.0"
+  },
+  {
+   "src": "\/img\/android-icon-144x144.png",
+   "sizes": "144x144",
+   "type": "image\/png",
+   "density": "3.0"
+  },
+  {
+   "src": "\/img\/android-icon-192x192.png",
+   "sizes": "192x192",
+   "type": "image\/png",
+   "density": "4.0"
+  }
+ ]
+}
diff --git a/public/og-image.original.png b/public/og-image.original.png
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index 000000000..34ffc29c6
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diff --git a/public/og-image.png b/public/og-image.png
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diff --git a/public/safari-pinned-tab.svg b/public/safari-pinned-tab.svg
new file mode 100644
index 000000000..973ba060c
--- /dev/null
+++ b/public/safari-pinned-tab.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
+ "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
+<svg version="1.0" xmlns="http://www.w3.org/2000/svg"
+ width="192.000000pt" height="192.000000pt" viewBox="0 0 192.000000 192.000000"
+ preserveAspectRatio="xMidYMid meet">
+<metadata>
+Created by potrace 1.11, written by Peter Selinger 2001-2013
+</metadata>
+<g transform="translate(0.000000,192.000000) scale(0.100000,-0.100000)"
+fill="#000000" stroke="none">
+<path d="M876 1742 c-2 -1 -23 -5 -47 -8 -83 -9 -299 -93 -299 -116 0 -4 -6
+-8 -13 -8 -20 0 -153 -121 -192 -176 -11 -15 -25 -32 -30 -38 -43 -45 -115
+-233 -132 -341 -11 -73 -3 -241 13 -267 3 -5 7 -21 10 -36 9 -55 55 -158 98
+-222 45 -68 47 -69 111 -135 83 -85 168 -138 300 -190 111 -44 319 -51 443
+-15 18 5 32 6 32 3 0 -3 6 -1 13 4 6 5 34 18 61 28 61 22 77 31 147 78 64 42
+196 177 219 222 8 17 18 32 21 35 22 19 79 174 95 260 9 50 11 197 2 253 -12
+81 -56 204 -101 279 -37 64 -156 196 -213 238 -93 69 -251 131 -365 145 -64 7
+-169 12 -173 7z"/>
+</g>
+</svg>