Performance Optimization: Perceived vs Actual Latency Overview Perceived latency is more important than actual latency. A 3-second operation that feels instant is better than a 1-second operation that feels slow. This skill teaches you to optimize how fast your interface feels , not just how fast it actually is. Core Principle: The Linear Method The "Linear Method" popularized by Linear.com prioritizes a steady cadence of quality over frantic sprints. Applied to performance, this means: Speed is a feature, but perceived speed is the ultimate UX. When a user creates a task, the UI should show…