In principle, yes, I believe it is a form of spying. Not particularly invasive nor harmful, but spying nonetheless.
Logging every page visited is not a technical requirement of serving the requested resource.
> Logging every page visited is not a technical requirement of serving the requested resource.
How will you know which page is having problems being served or is having performance problems?
> Logging every page visited is not a technical requirement of serving the requested resource.
How will you know which page is having problems being served or is having performance problems?