UseMonitor is a innovative web analyzer really focused on usability measures. It sees log data from a quite different perspective; not as "clicks", but as "traces of users' behaviors on tasks".
Pasting the UseMonitor tags into html code of each of your web pages supporting transactional tasks, you enable UseMonitor to produce measures and information about "user efficiency on task" like:
Rate of productive/unproductive behaviors users perform while getting access and completing a transactional tasks.
Average duration for these classes of users behaviors.
List of pages causing users to loose productivity in getting access and completing transactions;
Detailed task oriented description of behaviors realized by all users completing the tasks;