Changes in our testing sytem.
Our test system might store incorrect HTML title for some test results. One example is this URL(https://zh.greatfire.org/cn.nytimes.com/article/china/2012/07/31/c31qidong) on Aug 2nd. We have fully solved this problem by mm,dd,2012 Any URL in China was inaccessible in U.S testing node because server's IP was blocked by the GFW and the block works both ways. One example is this URL(https://en.greatfire.org/cn.yahoo.com) from April 5 to Aug 20. We have changed our server IP on Aug 25 2012 to resolve this problem.
In January 2013, we improved the system to identify DNS poisoning.
Information about Unicom/ China telecom test node.