It, although very close to Firefox, is (now more obviously so than before) a different product.

Users will find a slightly more conservative approach to changes in the user interface in the Pale Moon browser. Make sure to get the most speed and efficiency out of your browser! Therefore Pale Moon project offers custom-built and optimized Firefox browsers for Windows Operating Systems. That means you may be lose speed and efficiency when you use your browser. Mozilla does not provide optimized browser packages for Windows. Mozilla only releases windows executables with maximum compatibility in mind, meaning that Firefox is made to run on as many different systems as possible, sacrificing efficiency and speed in the process to be compatible with, by current standards, absolutely ancient hardware. Linux) with regards to programs being compiled specifically for the capabilities of the machine it is installed on, it became obviously clear that Windows users were at a disadvantage. Having seen the advantages on other systems (e.g. The project uses contributed Open Source code to create a full-featured, speed optimized browser based on the popular Firefox browser. Pale Moon 27 is a custom-built and speed optimized Firefox browser.

Palemoon portable