I got Visitor Tracking as an alternative to Google Analytics, which has slipped into a legal gray area in Europe. The integration of visitor tracking on the website is very easy and the presentation of the data is very clear. Using conversions is very easy to implement. It would be good if there was the option for each website to optionally respect the web browser's "Do Not Track" instruction.
I hope that the GDPR adjustments for visitor tracking will be ready soon.