In website evaluation, website analytics are often used to monitor directly the volume of use. However, one must be careful in distinguishing between number of visits, unique visitors and page views as all three give different insights into how the website is being used. A good monitoring arrangement will also be conscious of the rapidly evolving nature of web technology and adjust its methods accordingly. 

Once a user has reached the website, we monitor how they use it.  The European Commission's corporate web analytics service is the Europa Analytics tool. It provides a set of reports to deliver exactly the metrics that are most commonly needed. 

To ensure consistency and comparability, analytics data must be reported in accordance with validated definitions