<!DOCTYPE html> <html class="cp-app-noscroll"> <head> <meta content="text/html; charset=utf-8" http-equiv="content-type"/> <script async data-bootload="/worker/inner.js" data-main="/common/sframe-boot.js?ver=1.7" src="/bower_components/requirejs/require.js?ver=2.3.5"></script> <style> .loading-hidden { display: none; } </style> </head> <body class="cp-app-worker"> <div id="cp-toolbar" class="cp-toolbar-container"></div> <div id="cp-app-worker-container"> Hello world! </div> </body>