progress_bar.php
HTML 5 DTD
UTF-8 in meta tag
'use strict';
jquery-latest.min.js
c.js
(Check the JS console.)
<!DOCTYPE HTML>
<meta charset='utf-8' />
<script src='//code.jquery.com/jquery.min.js' ></script>
<script src='//includes.premo.biz/c.js' ></script>
non-self closing:
foo