Firefox continues to be one super-popular browser, and according to third-party market share data, it’s currently the third most popular choice on the desktop after leader Google Chrome and runner-up Microsoft Edge, both based on the Chromium engine.

Mozilla is thus working around the clock on improving the experience with Firefox on the desktop, and a recent addition to the feature lineup of the browser is called skeleton UI.

The company admits that launching Firefox after the operating system boot can sometimes take quite a lot of time, and on average, the process could need no less than 19 seconds to complete.

Because during this whole time users don’t get any visual indicator the browser is loading and some just click the Firefox icon in an attempt to launch it, obviously doing more harm than good, Mozilla has turned to what it calls skeleton UI.

Currently tested in the Nightly build

This is a new feature that is currently tested by users ru… (read more)