diff --git a/01_non_mobx_example/index.html b/01_non_mobx_example/index.html
index 852c0e0..a0c9c78 100644
--- a/01_non_mobx_example/index.html
+++ b/01_non_mobx_example/index.html
@@ -10,9 +10,9 @@
 
 <script src="https://cdn.jsdelivr.net/g/react@15.1.0(react.min.js+react-dom.min.js),lodash@4.13.1,js-signals@1.0.0"></script>
 <script type="text/javascript" src="../shared_assets/swatch-data-1.js"></script>
-<script src="https://npmcdn.com/mobx/lib/mobx.umd.js"></script>
+<script src="https://unpkg.com/mobx/lib/mobx.umd.js"></script>
 
-<script src="https://npmcdn.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
+<script src="https://unpkg.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
 <!--<script>WhyDidYouUpdate.whyDidYouUpdate(React)</script>-->
 
 
diff --git a/02_mobx_autorun/index.html b/02_mobx_autorun/index.html
index a5a9826..4b066e4 100644
--- a/02_mobx_autorun/index.html
+++ b/02_mobx_autorun/index.html
@@ -11,10 +11,10 @@
 <script src="https://cdn.jsdelivr.net/g/lodash@4.13.1,js-signals@1.0.0"></script>
 <script src="https://fb.me/react-15.1.0.js"></script>
 <script src="https://fb.me/react-dom-15.1.0.js"></script>
-<script src="https://npmcdn.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
+<script src="https://unpkg.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
 <!--<script>WhyDidYouUpdate.whyDidYouUpdate(React)</script>-->
 
-<script src="https://npmcdn.com/mobx/lib/mobx.umd.js"></script>
+<script src="https://unpkg.com/mobx/lib/mobx.umd.js"></script>
 
 <script type="text/javascript" src="../shared_assets/swatch-data-1.js"></script>
 <script type="text/javascript" src="../shared_assets/observable-swatch-store.js"></script>
diff --git a/03_mobx_observer/index-non-optimized.html b/03_mobx_observer/index-non-optimized.html
index 199818e..667022f 100644
--- a/03_mobx_observer/index-non-optimized.html
+++ b/03_mobx_observer/index-non-optimized.html
@@ -11,12 +11,12 @@
 <script src="https://cdn.jsdelivr.net/g/lodash@4.13.1,js-signals@1.0.0"></script>
 <script src="https://fb.me/react-15.1.0.js"></script>
 <script src="https://fb.me/react-dom-15.1.0.js"></script>
-<script src="https://npmcdn.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
+<script src="https://unpkg.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
 <script>WhyDidYouUpdate.whyDidYouUpdate(React)</script>
 
-<script src="https://npmcdn.com/mobx/lib/mobx.umd.js"></script>
-<script src="https://npmcdn.com/mobx-react"></script>
-<script src="https://npmcdn.com/mobx-react-devtools"></script>
+<script src="https://unpkg.com/mobx/lib/mobx.umd.js"></script>
+<script src="https://unpkg.com/mobx-react"></script>
+<script src="https://unpkg.com/mobx-react-devtools"></script>
 
 <script type="text/javascript" src="../shared_assets/swatch-data-1.js"></script>
 
diff --git a/03_mobx_observer/index.html b/03_mobx_observer/index.html
index 0e9dae5..674aa9a 100644
--- a/03_mobx_observer/index.html
+++ b/03_mobx_observer/index.html
@@ -11,12 +11,12 @@
 <script src="https://cdn.jsdelivr.net/g/lodash@4.13.1,js-signals@1.0.0"></script>
 <script src="https://fb.me/react-15.1.0.js"></script>
 <script src="https://fb.me/react-dom-15.1.0.js"></script>
-<script src="https://npmcdn.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
+<script src="https://unpkg.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
 <script>WhyDidYouUpdate.whyDidYouUpdate(React)</script>
 
-<script src="https://npmcdn.com/mobx/lib/mobx.umd.js"></script>
-<script src="https://npmcdn.com/mobx-react"></script>
-<script src="https://npmcdn.com/mobx-react-devtools"></script>
+<script src="https://unpkg.com/mobx/lib/mobx.umd.js"></script>
+<script src="https://unpkg.com/mobx-react"></script>
+<script src="https://unpkg.com/mobx-react-devtools"></script>
 
 <script type="text/javascript" src="../shared_assets/swatch-data-1.js"></script>
 
diff --git a/04_mobx_stateless_func/index.html b/04_mobx_stateless_func/index.html
index d670e31..d4b3375 100644
--- a/04_mobx_stateless_func/index.html
+++ b/04_mobx_stateless_func/index.html
@@ -11,12 +11,12 @@
 <script src="https://cdn.jsdelivr.net/g/react@15.1.0(react.min.js+react-dom.min.js),lodash@4.13.1,js-signals@1.0.0"></script>
 <script src="https://fb.me/react-15.1.0.js"></script>
 <script src="https://fb.me/react-dom-15.1.0.js"></script>
-<script src="https://npmcdn.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
+<script src="https://unpkg.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
 <!--<script>WhyDidYouUpdate.whyDidYouUpdate(React)</script>-->
 
-<script src="https://npmcdn.com/mobx/lib/mobx.umd.js"></script>
-<script src="https://npmcdn.com/mobx-react"></script>
-<script src="https://npmcdn.com/mobx-react-devtools"></script>
+<script src="https://unpkg.com/mobx/lib/mobx.umd.js"></script>
+<script src="https://unpkg.com/mobx-react"></script>
+<script src="https://unpkg.com/mobx-react-devtools"></script>
 
 <script type="text/javascript" src="../shared_assets/swatch-data-1.js"></script>
 
diff --git a/05_mobx_perf/index.html b/05_mobx_perf/index.html
index 17e7279..920c7d8 100644
--- a/05_mobx_perf/index.html
+++ b/05_mobx_perf/index.html
@@ -11,12 +11,12 @@
 <script src="https://cdn.jsdelivr.net/g/react@15.1.0(react.min.js+react-dom.min.js),lodash@4.13.1,js-signals@1.0.0"></script>
 <script src="https://fb.me/react-15.1.0.js"></script>
 <script src="https://fb.me/react-dom-15.1.0.js"></script>
-<script src="https://npmcdn.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
+<script src="https://unpkg.com/why-did-you-update@0.0.8/umd/why-did-you-update.min.js"></script>
 <script>WhyDidYouUpdate.whyDidYouUpdate(React)</script>
 
-<script src="https://npmcdn.com/mobx/lib/mobx.umd.js"></script>
-<script src="https://npmcdn.com/mobx-react"></script>
-<script src="https://npmcdn.com/mobx-react-devtools"></script>
+<script src="https://unpkg.com/mobx/lib/mobx.umd.js"></script>
+<script src="https://unpkg.com/mobx-react"></script>
+<script src="https://unpkg.com/mobx-react-devtools"></script>
 
 <script type="text/javascript" src="../shared_assets/swatch-data-1.js"></script>