PP Interrupter Lite is an add-on that allows you to protect your privacy by blocking web requests that contain any of the following URLs. It will also check for you if the site you are visiting is legitimate or not.

The most common use case for this add-on is when you are logged in to a website, and the site you are visiting sends you to a different website. For instance, if you are browsing a shopping website, you might be sent to a third-party site that offers advertising. It is recommended to always check the URL of the website you are visiting, even if you are not concerned about privacy issues. It is a good idea to use this add-on to protect your privacy.