UX & Design
Laws and effects from psychology and design that explain why interfaces work or fail.
Jakob's Law: Why users expect familiar patterns
Your visitors know hundreds of other websites. Jakob's Law explains why familiar patterns are understood faster than original ones.
Doherty Threshold: Why everything feels fluid under 400 milliseconds
From around 400 milliseconds of waiting, flow breaks. What the Doherty Threshold reveals about fast websites and good feedback.
Aesthetic-Usability Effect: Why beautiful design seems easier to use
Beautiful interfaces seem simpler, even when they are not. What the Aesthetic-Usability Effect means for web design and where it misleads.
Fitts' Law: Why important buttons need to be big and close
The bigger and closer a target, the faster you hit it. Fitts' Law explains why small, distant buttons cost clicks.
Hick's Law: Why Every Extra Option Slows Down Your Website
The more options you give visitors, the longer they take to decide, and the more often they decide not to decide at all. Hick's Law explains the connection, and we show what to do about it.