A main ingredient to a well-made browser is its functionality. What can it do?  Almost all five browsers are equal when it comes to tabs, bookmarks, auto-completion of fields, but only { -brand-name-firefox } and { -brand-name-safari } offer add-ons/extensions, which are kind of like apps for your browser to make it more private, powerful or just more fun.
A main ingredient to a well-made browser is its functionality. What can it do? Almost all five browsers are equal when it comes to tabs, bookmarks, auto-completion of fields, but only { -brand-name-firefox } and { -brand-name-safari } offer add-ons/extensions, which are kind of like apps for your browser to make it more private, powerful or just more fun.