Firefox
Firefox
Config overloading
Extensions
Shortcuts
Breakpoints
Debugger
UI Layout
Firefox supports exceptional Grid layout system to visualize overall CSS and how every element in div work with each other thus reducing time to prototype and build scalable UI components with Grid very easy.
Updates
Disable auto update on firefox nightly
Enterprise Policy
Preferences
don't allow [website] to prompt me
Restarting the browser should be able to reset those queries.
https://support.mozilla.org/en-US/questions/1351901