Free library
UX Laws, Principles & Guidelines
50 pages from the ProUX library, free to read. Each one names the issue, the fix and the takeaway, with sources. The full library, 350+ pages, is in the app on Pro, and every answer in the app cites it.
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- 553Make Returns Easy: Build Trust and Boost Sales
- 502Be Transparent with Total Costs to Build Trust and Keep Customers
- 513Increase Cart Completion by Making Free Shipping Crystal Clear
- 503Make Cart Access Easy to Reduce Abandonment and Increase Sales
- 520Clear Checkout Steps for Better Usability
- 766Ensure Every Page Works Well on Mobile Devices to Keep Users Happy and Engaged
- 769Essential Product Image Angles - A Quick Guide for eCommerce
- 760Fancy Menus Can Confuse Users: Stick to Familiar Navigation for Better Results
- 758Improve Mobile Experience by Removing Auto-Rotating Carousels
- 756Make Your Website Text Easy to Read and Engage Visitors
- 755Speed Optimization Guidelines for eCommerce
- 402Make Return & Shipping Info Easy to Find in the Footer
- 403Prominently Highlight Main Categories on the Homepage
- 463Boost Sales with the 3-5 Image Rule for eCommerce Products
- 466Enable Pinch-to-Zoom for Product Images on Mobile
- 474Use Clear and Simple Product Descriptions
- 475Why a Clear Return Policy Matters in eCommerce UX
- 473Why Rating Distribution Charts Are Essential for Trust in eCommerce
- 601Help Customers Find What They Want Fast with Smart Filters
- 128Aesthetic & Usability Effect
- 161Affordances
- 176Banner Blindness
- 168Cognitive Load
- 162Discoverability
- 140Doherty Threshold
- 164Feedback
- 150Figure-Ground
- 132Fitt’s Law
- 131Hick’s Law
- 134Jakob’s Law
- 194Law of Closure
- 148Law of Common Region
- 151Law of Continuity
- 149Law of Proximity
- 147Law of Similarity
- 170Mental Model
- 133Miller’s Law
- 146Occam’s Razor
- 139Pareto Principle
- 135Parkinson’s Law
- 156Peak-End Rule
- 136Postel’s Law
- 152Progressive Disclosure
- 154Serial Position Effect
- 163Signifiers
- 137Tesler’s Law
- 179Visual Hierarchy
- 142Von Restorff Effect / Isolation Effect
- 144Weber’s Law
- 145Zeigarnik Effect