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
Disable pocket functionality
To disable the "Save to Pocket" feature in Firefox, go to "about:config" in your address bar, search for "pocket", and then toggle the "extensions.pocket.enabled" preference to "false" which will effectively disable the Save to Pocket functionality