Firefox Browser has no warnings published on PrivacySpy. PrivacySpy publishes warnings when it learns a service has announced a data breach or is found misusing user data. If you believe a warning should be published for Firefox Browser, submit one here.
Technical & Interaction data: Firefox sends us data such as the position, size and placement of content we suggest, as well as basic data about your interactions with Firefox’s suggested content. This includes the number of times suggested content is displayed or clicked.