I have Firefox installed, but I pretty much only use Safari. None of the other browsers integrate thoroughly enough into the OS for my liking (e.g., being able to search bookmarks and history from Alfred/Spotlight, right-click to add images straight to Photos, etc.).
I won't touch any of the Chrome-derivative browsers, and don't use any Google web apps (yuck), so Safari fits my needs perfectly.
I won't touch any of the Chrome-derivative browsers, and don't use any Google web apps (yuck), so Safari fits my needs perfectly.