Looks like the Great Firewall or something like it is preventing you from completely loading www.skritter.com because it is hosted on Google App Engine, which is periodically blocked. Try instead our mirror:
This might also be caused by an internet filter, such as SafeEyes. If you have such a filter installed, try adding appspot.com to the list of allowed domains.
I downloaded hundreds of movie and TV subtitles files, segmented the words using using CC-CEDict, and counted them. Here is the result. (It's much more useful than studing character lists.)