Users can also view types of trackers on a page by tapping on the shield icon next to the URL bar. In the other Firefox browsers, users have to enable the tracking protection feature inside the browser preferences manually. The blocking of third-party trackers (except 'other content trackers') is enabled by default. Content blocking is achieved using the Disconnect block lists. Tracking protection įirefox Focus is designed to block online trackers, including third-party advertising, with the end goal of both improving browsing speed and protecting users' privacy. On Android, it used the Blink engine in version 6.x and earlier, and it has used GeckoView since version 7.0. To bypass content-blocker restrictions from Apple, Firefox Focus uses the UIWebView API on iOS devices. Since July 2018, Firefox Focus is preinstalled on the BlackBerry Key2 as part of the application Locker. As of January 2017, it is available in 27 languages.

In June 2017, the first release for Android went public and was downloaded over one million times in the first month.

However, it can still work solely as a tracking-blocker in the background of the Safari browser on Apple devices.

It was developed into a minimalistic web browser shortly afterwards. Firefox Focus was initially a tracker-blocking application for mobile iOS devices, released in December 2015. en-US /firefox /browsers /mobile /focus /įirefox Focus is a free and open-source privacy-focused mobile browser based on Firefox from Mozilla, available for Android and iOS smartphones and tablets.

Firefox focus android 4.4.4