Page is a not externally linkable
-- Google SEO News and Discussion
---- Google's Speed Insights - is page speed a ranking factor?
phranque - 9:42 pm on Sep 25, 2013 (gmt 0)Thread source:: http://www.webmasterworld.com/google/4612557.htm
fwiw page load speed has been reported in GWT for a long time.
Brought to you by WebmasterWorld: http://www.webmasterworld.com