Result: 9/10
Avoids sending referrer parameters to another website. This helps a website not track the user by URL information.
Which browser, device and version the user is using.
To visit websites or services just once and don't save information or cookies.
It's a value generated by the service server used to save the user session. When the user need to use this service again, thay will already be logged in.
The software connects to at least to 3 onion routers using multi-layered encryption to finally connects to the destination, all this to prevent tracking and data collection.
Those numbers are an alias use that represents another number, such as domain names are an alias to IP addresses.
By tracking user activity and analysing user interests.
It's a way to servers identify the user based on browsers given clues, like user-agent, referrer, cookies, etc.
Running a website into a sandbox prevents that website server obtain user data from browser or other websites that the user have visited.
The variable represent an URL were the user came from, or an URL the user used to reach the current one.