Is China Blocking Access to Your Blog?

You can click this link to test access to a particular web site from within China. If you get an error message on a valid site name, then it is pretty safe to assume the site is being blocked (presumably by the Chinese government).

Here is the result for couldn't connect to host

Here is the result for OK

Evidently, Hu Jintao has deemed the Stream Pool safe for the Chinese people (for now). 

* Thanks to Dave Winer for the link