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Pale Moon (web browser)

Pale Moon
Pale Moon 26 running on Windows 10
Pale Moon 26 running on Windows 10
Developer(s) M.C. Straver
Initial release October 2009 (2009-10)
Stable release 27.1.2 (March 3, 2017; 14 days ago (2017-03-03))
Development status Active
Written in C/C++, CSS, XUL
Operating system Windows, Linux (unofficial build for macOS and contributed builds for various platforms)
Engine Goanna
Platform IA-32, x86-64
Available in 12 languages
Type Web browser
News aggregator
License
Website www.palemoon.org

Pale Moon is an open-source web browser with an emphasis on customizability, as expressed by its motto "Your browser, Your way". There are official releases for both Microsoft Windows and Linux, an unofficial build for macOS, and contributed builds for various platforms.

Pale Moon is a fork of Firefox with key differences, including add-ons and user interface. In particular, Pale Moon will continue to support the long-standing XUL and XPCOM add-on infrastructure that Firefox has deprecated and will remove entirely in version 57. Pale Moon has also retained the fully customizable user interface of the Firefox version 4–28 era, while updating other parts of the browser with newer Firefox code.

Pale Moon has diverged from Firefox in a number of ways:

Pale Moon is built with a number of compiler optimizations designed to improve browser performance. In 2013 Pale Moon performed more slowly than Firefox in the ClubCompy Real-World Benchmark, scoring 8,168 and 9,344 out of 50,000 possible points, respectively, though the TechRepublic reporter cautioned that the benchmark was not necessarily indicative of real-world browser performance. In a 2016 browser comparison test by Ghacks, Pale Moon had the smallest memory footprint after opening 10 different websites in separate tabs. However, in the same report Pale Moon scored the worst in the Mozilla Kraken, Google Octane, 32-bit RoboHornet and second-to-worst 64-bit RoboHornet benchmarks and hung during the JetStream JavaScript benchmark.

Pale Moon does not support older processors without the SSE2 instruction set. Version 26.5 was the final version to support Windows XP and Intel Atom processors.


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