Gecko is architected to be used as a framework, not a library, which means it tries to dictate a lot of aspects of how your code is supposed to be structured. W

Gecko is architected to be used as a framework, not a library, which means it tries to dictate a lot of aspects of how your code is supposed to be structured. Whereas Webkit/Blink is the other way around. It predates KHTML/Webkit by several years so some additional legacy baggage is to be expected.