You can group all your websites analytics into one, like, your main website and your forum.
You can identify each unique visitor and their visits
Some people don't like to be tracked, so you have the power to respect their privacy.
This module uses ipstack to map IP address. Get a free account on https://ipstack.com/
To detect browsers and operating systems, you must have the package user_agents installed on you system
Use the module website_analytics_website to track Odoo Website visits
Website Analytics is under BSD-3 License