We have provided feature that gives the ability to keep a record of request which geted through CallBack Free in the most popular analytics system: Google Analytics. It is very easy to set up the goals for analytics system. For more information on setting goals for callback, see the F.A.Q page.
Setting goals for the callback service will allow you to track the completed conversions on the site and knew information about user who make it. Thanks to the integration of the service, you will know when and where the client came from, how much time he spent on the site, what he was interested in and how he behaved before making the conversion. This data will help you better understand your customers and adapt to their needs.