diff --git a/README.md b/README.md
index 13fe24f16..6bd826622 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Website: https://hajimehoshi.github.io/ebiten/
 * [Android](https://github.com/hajimehoshi/ebiten/wiki/Android)
 * [iOS](https://github.com/hajimehoshi/ebiten/wiki/iOS)
 * [Web browsers (Chrome, Firefox, Safari and Edge on desktops)](https://github.com/hajimehoshi/ebiten/wiki/Web-Browsers) (powered by [GopherJS](http://gopherjs.org/))
-  * [jsgo.io Playground by Dave Brophy](https://jsgo.io/dave/jsgo/playground#9b4d11ce563df53cb7dff937baa707c3fd41310c)
+  * [jsgo.io Playground by Dave Brophy](https://hajimehoshi.github.io/ebiten/playground.html)
 
 Note: Gamepad and keyboard are not available on Android/iOS.
 
diff --git a/_docs/index.tmpl.html b/_docs/index.tmpl.html
index a17ca9eb3..3065bdbd4 100644
--- a/_docs/index.tmpl.html
+++ b/_docs/index.tmpl.html
@@ -25,7 +25,7 @@
       <li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten">GitHub</a></li>
       <li class="nav-item"><a class="nav-link" href="https://godoc.org/github.com/hajimehoshi/ebiten">GoDoc</a></li>
       <li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten/wiki">Wiki</a>
-      <li class="nav-item"><a class="nav-link" href="https://jsgo.io/dave/jsgo/playground#9b4d11ce563df53cb7dff937baa707c3fd41310c">Playground (jsgo.io)</a>
+      <li class="nav-item"><a class="nav-link" href="./playground.html">Playground (jsgo.io)</a>
     </ul>
   </div>
 </div></nav>
@@ -45,7 +45,7 @@
     <dt class="col-2 text-right">Mobiles</dt>
     <dd class="col-10"><a href="https://github.com/hajimehoshi/ebiten/wiki/Android">Android</a>, <a href="https://github.com/hajimehoshi/ebiten/wiki/iOS">iOS</a></dd>
     <dt class="col-2 text-right">Web browsers</dt>
-    <dd class="col-10"><a href="https://github.com/hajimehoshi/ebiten/wiki/Web-Browsers">Chrome, Firefox, Safari and Edge on desktops</a> (powered by <a href="https://github.com/gopherjs/gopherjs">GopherJS</a>), <a href="https://jsgo.io/dave/jsgo/playground#9b4d11ce563df53cb7dff937baa707c3fd41310c">jsgo.io Playground by Dave Brophy</a></dd>
+    <dd class="col-10"><a href="https://github.com/hajimehoshi/ebiten/wiki/Web-Browsers">Chrome, Firefox, Safari and Edge on desktops</a> (powered by <a href="https://github.com/gopherjs/gopherjs">GopherJS</a>), <a href="./playground.html">jsgo.io Playground by Dave Brophy</a></dd>
   </dl>
   <p><small>Note: Gamepads and keyboard are not available on Android/iOS.</small></p>
 
diff --git a/docs/index.html b/docs/index.html
index 9b086ab8a..dd847a98f 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -25,7 +25,7 @@
       <li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten">GitHub</a></li>
       <li class="nav-item"><a class="nav-link" href="https://godoc.org/github.com/hajimehoshi/ebiten">GoDoc</a></li>
       <li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten/wiki">Wiki</a>
-      <li class="nav-item"><a class="nav-link" href="https://jsgo.io/dave/jsgo/playground#9b4d11ce563df53cb7dff937baa707c3fd41310c">Playground (jsgo.io)</a>
+      <li class="nav-item"><a class="nav-link" href="./playground.html">Playground (jsgo.io)</a>
     </ul>
   </div>
 </div></nav>
@@ -45,7 +45,7 @@
     <dt class="col-2 text-right">Mobiles</dt>
     <dd class="col-10"><a href="https://github.com/hajimehoshi/ebiten/wiki/Android">Android</a>, <a href="https://github.com/hajimehoshi/ebiten/wiki/iOS">iOS</a></dd>
     <dt class="col-2 text-right">Web browsers</dt>
-    <dd class="col-10"><a href="https://github.com/hajimehoshi/ebiten/wiki/Web-Browsers">Chrome, Firefox, Safari and Edge on desktops</a> (powered by <a href="https://github.com/gopherjs/gopherjs">GopherJS</a>), <a href="https://jsgo.io/dave/jsgo/playground#9b4d11ce563df53cb7dff937baa707c3fd41310c">jsgo.io Playground by Dave Brophy</a></dd>
+    <dd class="col-10"><a href="https://github.com/hajimehoshi/ebiten/wiki/Web-Browsers">Chrome, Firefox, Safari and Edge on desktops</a> (powered by <a href="https://github.com/gopherjs/gopherjs">GopherJS</a>), <a href="./playground.html">jsgo.io Playground by Dave Brophy</a></dd>
   </dl>
   <p><small>Note: Gamepads and keyboard are not available on Android/iOS.</small></p>
 
diff --git a/docs/playground.html b/docs/playground.html
new file mode 100644
index 000000000..983c6b6d0
--- /dev/null
+++ b/docs/playground.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<a href="https://jsgo.io/dave/jsgo/playground#b4704417f6462d4d2724cfd5c3da744b4b17f4af" id="redirect">Playground</a>
+<script>
+window.onload = () => {
+  let meta = document.createElement('meta');
+  meta.content = '0;' + document.getElementById('redirect').href;
+  meta.httpEquiv = 'refresh';
+  document.head.appendChild(meta);
+};
+</script>