Mozilla Firefox Mozilla Firefox is a free and open-source web browser developed by Mozilla Foundation and its subsidiary, Mozilla Corporation. Firefox is available for Windows, macOS, Linux, BSD, illumos and Solaris operating systems. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. In 2016, Firefox began incorporating new technology under the cade name Quantum to promote paralellism and a more intuitive user interface. Firefox usage grew to a peak of 32% at the end of 2009, temporarily making version 3.5 world's most popular browser. Later, competition with Google Chrome led to a decline in usage. As of March 2018, Firefox has 11.6% usage share as a "desktop" browser, making it the second-most popular web browser.
Google Chrome Google Chrome was firat released on September 2, 2008 by Google LLC. It was first released for Microsoft Windows and later ported to Linux, macOS, iOS, and Android. The majority of Chrome's source code is released as the Chromium open-source project. However, Chrome itself is a proprietary software. As of 2018, StatCounter estimated that Chrome has 68% of worldwide usage of web browsers. And also a 61% market share of all platforms keeping in mind that at least 50% is taken by smartphones. This success has led to Google expanding the "Chrome" brand name on various other products such as Chrome OS, Chromecast, Chromebook, etc.
No lines are longer than 80 characters, TYVM. Other specified properties aren't being scored automatically at this time so this is not necessarily good news...