Websites collect personal information by making a record of your computer's ID and your Internet Protocol (IP) address. These are unique to your computer and can be traced back to you.
What information can be collected from a website?
What Data Can Websites Collect? Websites collect a vast array of data for many different uses. This includes data you provide via forms, for example, email address and credit card information, as well as many other types of information gained from tracking technology.
When you visit a website what happens?
Browser looks up IP address for the domain. Browser initiates TCP connection with the server. Browser sends the HTTP request to the server. Server processes request and sends back a response.