For decades, the field of User Experience (UX) has been obsessively focused on the human primate. We mapped eye-tracking heatmaps to understand where human gaze lingered. We agonizingly optimized button colors to trigger dopamine hits. We designed for the thumb, the swipe, and the fleeting human attention span. But the web of 2026 is fundamentally different. The fastest-growing demographic of web users does not have eyes, thumbs, or dopamine receptors. They are autonomous AI agents.