Most people think browser privacy begins and ends with cookies. Cookies matter, but a website can also observe connection and browser details before you ever create an account.
This post is a practical overview of the most common signals: your public IP address, WebRTC behavior, IPv6 availability, and browser fingerprinting.
Your public IP address
When a browser connects to a website, the server needs an IP address to send data back. That public IP can often be associated with:
Internet service provider
