Page is a not externally linkable
-- Google SEO News and Discussion
---- Google and 100K page size limit?
g1smd - 8:33 pm on May 17, 2012 (gmt 0)Thread source:: http://www.webmasterworld.com/google/4454491.htm
I'd be tempted to insert a few lines of code into your page generation script that says if the user agent is a bot, don't bother serving the ads to them.
Brought to you by WebmasterWorld: http://www.webmasterworld.com