I'm a Mozilla employeed, and I think it's fair to say that Chrome's presence caused us to increase the focus on Firefox performance. E.g. https://wiki.mozilla.

I'm a Mozilla employeed, and I think it's fair to say that Chrome's presence caused us to increase the focus on Firefox performance. E.g. https://wiki.mozilla.org/Performance/MemShrink https://wiki.mozilla.org/Performance/MemShrink and https://wiki.mozilla.org/Performance/Snappy https://wiki.mozilla.org/Performance/Snappy.