Nice work. Assuming you're trying to advocate Clojure, I'd recommend changing your tutorial to make things look easy (as opposed to highlighting gotchas). I recommend doing math examples first. Show how it makes a good calculator, but avoid discussion of ratios. That's (unnecessarily) confusing.. just like everything in the hello world example starting from the nil output on. By the time I got to the sequence page, I…
http://tryclj.licenser.net/ and http://www.try-clojure.org/ both point to the same IP. And both domains are registered to Heinz Gies - who I assume is the original author of TryClojure.