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.
Programmers have been dispatched to deal with this problem immediately.
For support or if you'd like to know when all is well, you can contact us directly.
There also may be an issue with our backend providers. Please check the Google App Engine Server Status and Linode Status Feed to see if either of these services are reporting issues. If they are, they are surely working on fixing the issue on the double!