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A collection of all-time reader favorites
Tip: you can also see all 229 articles in the full archive, or browse by research topic: Homepage & Category, On-Site Search, Product Lists & Filtering, Product Page, Cart & Checkout, and Mobile.
Drop-Down Usability: When You Should (and Shouldn’t) Use Them
Format the ‘Expiration Date’ Fields Exactly the Same as the Physical Credit Card (90% Get It Wrong)
E-Commerce Checkouts Need to Mark Both Required and Optional Fields Explicitly (Only 14% Do So)
Form Field Usability: Avoid Multi-Column Layouts (13% Get It Wrong)
Form Usability: Getting ‘Address Line 2’ Right
Form Field Usability: Consider Using Localized Input Masks for ‘Phone’ and Other Restricted Inputs (64% Don’t)
5 Common Usability Pitfalls of Custom Designed Drop-Downs (31% Have Issues)
7 Product Page UX Implementations that Make REI Best-in-Class
The Current State of E-Commerce Product Page UX Performance (19 Common Pitfalls)
UX Research: 5 Requirements for the ‘Ratings Distribution Summary’ on the Product Page (65% Get it Wrong)
Truncating Additional Images in the Gallery Causes 50-80% of Users to Overlook Them (30% Get it Wrong)
Product Page UX: All Products Need at Least One ‘In Scale’ Image (28% Get It Wrong)
E-Commerce Usability: The Main Navigation Should Display Product Categories (18% Don’t)
3 Strategies for Handling Accidental ‘Taps’ on Touch Devices
43% of Sites Have Severe ‘Flickering’ Issues for Their Main Drop-Down Menu
The ‘Credit Card Number’ Field Must Allow and Auto-Format Spaces (80% Don’t)
Usability Testing Accordion-Style Checkouts: 2 UX Pitfalls that 75% of Sites Neglect
The Average Checkout Flow Has 14.88 Form Fields – Twice as Many as Necessary
How Users Perceive Security During the Checkout Flow (Incl. New ‘Trust Seal’ Study)
Usability Testing of Inline Form Validation: 40% Don’t Have It, 20% Get It Wrong
E-Commerce UX: What Information to Display in Product Listings (46% Get it Wrong)
Over-Categorization: Avoid Implementing Product Types as Categories (54% Get it Wrong)
42% of Mobile Homepages Risk Setting Wrong Expectations for Their Users
‘Touch Keyboard’ Implementations Have Improved Just 9% Since 2013 (60% Still Get it Wrong)
Product List Usability: Avoid ‘Quick View’ Overlays
Responsive Upscaling: 11 Ideas for Large-Screen E-Commerce Design
How to Design ‘Applied Filters’ (42% Get It Wrong)
Filtering UI: A Horizontal Toolbar Can Outperform the Traditional Sidebar
Improve Validation Errors with Adaptive Messages
8 UX Requirements for Designing a User-Friendly Homepage Carousel
8 Design Patterns for Autocomplete Suggestions
Deconstructing E-Commerce Search: The 12 Query Types
6 Guidelines for Truncation Design
Avoid Inline Scroll Areas (26% Get it Wrong)
Checkout Design: Payment Method Selection
4 Design Patterns That Violate Back-Button Expectations
Avoid These 5 Types of E-Commerce Graphics
E-Commerce Sites Need 2 Types of Breadcrumbs (68% Get it Wrong)
6 Mobile Checkout Usability Considerations
Users Continue to Double-Click Online
5 High-Level Mobile Commerce Design Considerations
Mobile Form Usability: Never Use Inline Labels
Mobile Form Usability: Place Labels Above the Field
Which Site Seal do People Trust the Most? (2013/2016 Survey Results)
6 Ways to Get More Out of Your Order Confirmation Page
Accordion Style Checkouts – The Holy Grail of Checkout Usability?
Visually Reinforce Your Credit Card Fields (89% Get it Wrong)
8 Limitations When Designing For Mobile
UX and the Kano model
One Page Checkouts – the Holy Grail of Checkout Usability?
19 Ways to Simplify ‘Sign Up'
Readability: the Optimal Line Length