A Web analytics program tells you how shoppers are using your site. It reveals where users come from, what pages they visit and what keyword searches brought them to the site. An analytics package enables merchants to calculate their conversion rate. (Your “conversion rate” is the percentage of your visitors who make a purchase — a critical fact to know and track over time.)
In professional diving, checklists are used in the preparation of equipment for a dive, and to ensure that the diver and life support systems are fully prepared before they enter the water. To a lesser extent, checklists are used by a minority of recreational divers, and by a larger proportion of technical divers during pre-dive checks. Studies have shown checklists to be effective at reducing the number of errors and consequent incidents.