Changed CDN to CloudFlare

index.html

@@ -1,6 +1,6 @@
 <script src=lib1.js></script>
-<script src="https://pagecdn.io/lib/ace/1.4.12/ace.js" crossorigin="anonymous"></script>
-<script src="https://pagecdn.io/lib/ace/1.4.12/ext-language_tools.js" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.4.12/ace.js"crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.4.12/ext-language_tools.js" crossorigin="anonymous"></script>
 <style>
  .ace_gutter-layer {
    /* original width is 48px */

lib1.js

@@ -77,7 +77,7 @@ function gl_start(canvas, vertexShader, fragmentShader) {           // START WEB
 
    setTimeout(function () {
       try {
-         canvas.gl = canvas.getContext('webgl2');              // Make sure WebGl is supported. IT WOULD BE GREAT TO USE WEBGL2 INSTEAD.
+         canvas.gl = canvas.getContext('experimental-webgl');              // Make sure WebGl is supported. IT WOULD BE GREAT TO USE WEBGL2 INSTEAD.
       } catch (e) { throw 'Sorry, your browser does not support WebGL.'; }
 
       canvas.setShaders = function (vertexShader, fragmentShader) {         // Add the vertex and fragment shaders: