
When you click on ".onion available", the website will be reloaded and redirected to its onion counterpart. If the website that you are visiting has an onion site available, a purple suggestion pill will prompt at the URL bar in Tor Browser displaying ".onion available". Onion-Location is a non-standard HTTP header that websites can use to advertise their onion counterpart. You can learn more about the onion site that you are visiting by looking at the Circuit Display.Īnother way to learn about an onion site is if the website administrator has implemented a feature called Onion-Location. When accessing a website that uses an onion service, Tor Browser will show in the URL bar an icon of an onion displaying the state of your connection: secure and using an onion service. An onion address is a string of 56 letters and numbers, followed by ".onion". Just like any other website, you will need to know the address of an onion service in order to connect to it.

onion URL also helps Tor ensure that it is connecting to the right location and that the connection is not being tampered with.

