diff --git a/index.html b/index.html
index f9e7dd8..efda47b 100644
--- a/index.html
+++ b/index.html
@@ -36,7 +36,7 @@
 
             <ul class="featured-extensions">
                 <li class="featured-extension">
-                    <a href="?url=https://ericrosenbaum.github.io/spotify-extension/examples/dance-party.sbx" data-action="load-url">
+                    <a href="https://ericrosenbaum.github.io/spotify-extension/">
                         <img src="images/extensions/spotify_large.png" />
                         <section>
                             <h2>Spotify</h2>
@@ -45,7 +45,7 @@
                     </a>
                 </li>
                 <li class="featured-extension">
-                    <a href="?url=https://llk.github.io/microbit-extension/examples/Button.sbx" data-action="load-url">
+                    <a href="https://llk.github.io/microbit-extension/" data-action="load-url">
                         <img src="images/extensions/microbit_small.png" />
                         <section>
                             <h2>micro:bit</h2>
@@ -63,7 +63,7 @@
                     </a>
                 </li>
                 <li class="featured-extension">
-                    <a href="?url=http://khanning.github.io/scratch-arduino-extension/examples/Arduino%20Example%20-%20Blink%20an%20LED.sbx" data-action="load-url">
+                    <a href="https://khanning.github.io/scratch-arduino-extension/" data-action="load-url">
                         <img src="images/extensions/arduino_small.png" />
                         <section>
                             <h2>Arduino</h2>