Page is a not externally linkable
-- Google SEO News and Discussion
---- Matt Cutts: Googlebot Can Now Execute AJAX/JS
brotherhood_of_LAN - 1:56 pm on Nov 2, 2011 (gmt 0)Thread source:: http://www.webmasterworld.com/google/4382245.htm
Likely a case of 'it can parse well known frameworks' to varying extent rather than "ajax/js".
Brought to you by WebmasterWorld: http://www.webmasterworld.com