
One App, Every Screen: How YouTube's Frontend Succeeds on Various Devices
Behind every YouTube video sits a genuinely staggering amount of engineering, most of which has nothing to do with the video itself. This article looks at how a platform like YouTube handles wildly different devices and codecs, why its interface quietly manipulates your attention more than you might realize, and what it actually takes on the backend to serve a unified API to millions of different clients at once.

