Separately, it is worth highlighting the possibility of fully configuring the browser: appearance, toolbar, additional modules, advanced functions, etc. The application features are really multifaceted: excellent startup and operation speed, reduced page loading time, high performance of web applications and hardware graphics acceleration, synchronization with other devices is supported, more than 200,000 add-ons and plugins in the extension store, a stylish graphical interface, support for multi-tabbing and grouping bookmarks, reliable protection of privacy and confidentiality (prohibition of tracking, installation of secure connections, blocking pop-ups), a powerful smart search engine, intelligent address input line and much more. Mozilla Firefox is one of the most popular which has flexible settings and a huge collection of extensions to equip this web browser with any necessary functionality.