Mozilla Firefox (Firefox) is a free, open-source, privacy-focused browser. It is known for its privacy security, and customizability, which makes it a preferrable choice among internet users. It is built on Gecko engine to render web-pages, supporting a wide array of web standards, ensuring compatibility and performance.
It has a friendly user interface and a rich extension library making it adaptable to use at home, office, and anywhere else.

Firefox supports Enhanced Tracking Protection as it blocks third-party trackers and scripts by default when storing data on local computers in private browsing mode. It also has integrated performance optimization which helps in faster page load and less memory usage making it efficient even on old hardware.

Firefox is an open-source browser, which is one of the many advantages, whereby the code is available for any review or contribution.

Key Features:-

1. Enhanced Tracking Protection
2. Customizable themes and extensions
3. Private browsing and HTTPS-only mode
4. Open-source with transparent development
5. Cross-platform sync for bookmarks and history
6. Reader mode for distraction-free reading