Some websites make note of the page you visited immediately before arriving at that site. This helps them to understand how traffic is directed to their site. If you do not want websites to know which site you came from, go toand uncheck "Send referrer information" to disable it.
Note: Some sites depend on referrer information to work properly.
Set site-specific preferences ¶
If you want to change this setting for a particular website, you can use site preferences.