This calendar view maps the number of times http://skepticalscience.com/article.php?a=1901 was crawled by the Wayback Machine, not how many times the site was actually updated.
This calendar view maps the number of times http://skepticalscience.com/news.php?p=2&t=79&&n=61 was crawled by the Wayback Machine, not how many times the site was actually updated.