Page is a not externally linkable
-- Google SEO News and Discussion
---- What File format with extension is best for SEO?
setzer - 6:13 am on Nov 24, 2012 (gmt 0)Thread source:: http://www.webmasterworld.com/google/4521761.htm
page-name is the most popular. Rarely do I see page_name used.
Brought to you by WebmasterWorld: http://www.webmasterworld.com