This calendar view maps the number of times http://www.skepticalscience.com/co2-plant-food.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/link_to_us.php?Blog0=736 was crawled by the Wayback Machine, not how many times the site was actually updated.