Firefox Extended Support Release (ESR), or Firefox Enterprise.This is a web development version developers use to track cascading style sheets and JavaScript it includes a JavaScript debugger for users building their own sites. This is a version nondevelopers use to test new features before their official release. This is a version users and developers employ to test the browser and features in development for bugs. This is the standard version of Firefox for browsing the internet. There are also different versions of Firefox. However, its open source nature enables additional uses that Chrome and Safari do not offer, including the ability for developers to modify the browser, redistribute their own versions and add source code to a code repository that the Mozilla Foundation uses to officially update the browser. Firefox uses Google as its default browser and includes article recommendations on its homepage from Firefox Pocket.įirefox is mainly used for browsing the internet like its other modern browser competitors, Chrome and Safari. Quantum transitioned Firefox to a multiprocess architecture that uses less memory with many browser tabs open. In 2016, Firefox announced Firefox Quantum, an update to its search engine that improved user experience and processing power.

Mozilla Firefox also offered a pop-up blocker and a plugin that let developers add new, downloadable features known as add-ons or browser extensions. When the Firefox browser was first released under the name Mozilla Firefox, it was one of the first browsers to offer a bookmark toolbar and tabbed browsing, which lets users open tabs in the same window and switch back and forth among them.

Unlike Apple's Safari and Google Chrome, Firefox does not sell users' personal data to advertisers or to services like Google.įirefox introduced and popularized many of today's standard browser features.

Firefox's privacy and open source principles make it a unique web browser. Firefox uses the Google search page as its homepage and default search engine.įirefox is guided by The Mozilla Manifesto, a set of principles the nonprofit Mozilla Foundation developed. The Firefox web browser can be used with Windows, Mac and Linux operating systems, as well as Android and iOS mobile devices. Firefox is a free, open source web browser developed by the Mozilla Foundation and Mozilla Corporation in 2004.

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