30 established principles in 5 categories, plus 2 original Layr rules. Open a rule for examples, source links, and agent guidance.
Browse categories ↓Rules for making visual relationships, priority, state, and interaction meaning legible before the user has to read every detail.
8 principlesRules for reducing unnecessary mental work, supporting recognition, preserving context, and helping users build reliable expectations about the system.
7 principlesRules for structuring choices, managing complexity, using familiar conventions, and helping users reach correct decisions without unnecessary interpretation.
7 principlesRules for responsive controls, reachable targets, resilient input, bounded tasks, and recovery patterns that keep the interface trustworthy under real-world conditions.
4 principlesRules for sustaining effort, making progress legible, supporting interrupted work, and designing the moments that shape how an experience is remembered.
4 principles