Our designers created a system that scales to more than just current hardware but lets us expand in the future. We looked at real world hardware to make Firefox look great on any display, and we made sure that Firefox looks and works like Firefox regardless of the device you’re using. To create Photon, our user research team studied how people browsed the web. You guessed it: the Photon UI itself is incredibly fast and smooth. We call this initiative Photon, and its goal is to modernize and unify anything that we call Firefox while taking advantage of the speedy new engine. The second thing you’ll notice is the new User Interface (UI). The first thing you’ll notice is the speed.

If you’re curious about what we did, read on.

If you go and download Firefox Quantum right now, you’ll immediately notice the difference, accompanied by a feeling of mild euphoria. It’s by far the biggest update we’ve had since we launched Firefox 1.0 in 2004, it’s just flat out better in every way. Firefox Quantum is over twice as fast as Firefox from 6 months ago, built on a completely overhauled core engine with brand new technology stolen from our advanced research group, and graced with a beautiful new look designed to get out of the way and let you do what you do best: surf a ton of pages, open a zillion tabs, all guilt free because Firefox Quantum uses less memory than the competition.

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