Please be patient
The initial download for the tutorial is very large. If you are downloading over a modem, it could take a few moments before it loads. However, the time spent downloading now will directly translate to faster performance later.
About cookies
This site uses cookies extensively. For the most part, the cookies are only used to track the last page that was visited so that when you open the tutorial again, it will be open to that page. However, to accomplish this, a cookie is sent to your browser every time a new page is loaded.
THIS IS OK!
I will show you how to use cookies in the tutorial, and show you the exact code that sends cookies in this tutorial.