YouTube Banner Safe Areas: What Survives Each Screen
Channel art is one image asked to work on five screens, and the youtube banner safe areas exist because those screens disagree wildly. A television shows the entire 2560x1440 canvas; a phone shows a strip barely a sixth of that height. Design for the wrong surface and your channel name gets amputated on mobile, where most of your visitors are. Here's how the crops work, the exact numbers behind them, and a layout method that survives all of them.