This calendar view maps the number of times http://www.skepticalscience.com/global-warming-not-urgent.htm was crawled by the Wayback Machine, not how many times the site was actually updated.
This calendar view maps the number of times http://www.skepticalscience.com/news.php?p=2&t=67&&n=151 was crawled by the Wayback Machine, not how many times the site was actually updated.