Popular Articles

A collection of all-time reader favorites

Tip: you can also see all 206 articles in the full archive, or browse by research topic: Homepage & Category, On-Site Search, Product Lists & Filtering, Product Page, Cart & Checkout, and Mobile.

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E-Commerce Usability: The Main Navigation Should Display Product Categories (18% Don’t)

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3 Strategies for Handling Accidental ‘Taps’ on Touch Devices

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43% of Sites Have Severe ‘Flickering’ Issues for Their Main Drop-Down Menu

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The ‘Credit Card Number’ Field Must Allow and Auto-Format Spaces (80% Don’t)

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Usability Testing Accordion-Style Checkouts: 2 UX Pitfalls that 75% of Sites Neglect

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The Average Checkout Flow Has 14.88 Form Fields – Twice as Many as Necessary

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How Users Perceive Security During the Checkout Flow (Incl. New ‘Trust Seal’ Study)

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Usability Testing of Inline Form Validation: 40% Don’t Have It, 20% Get It Wrong

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E-Commerce UX: What Information to Display in Product Listings (46% Get it Wrong)

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Over-Categorization: Avoid Implementing Product Types as Categories (54% Get it Wrong)

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42% of Mobile Homepages Risk Setting Wrong Expectations for Their Users

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‘Touch Keyboard’ Implementations Have Improved Just 9% Since 2013 (60% Still Get it Wrong)

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Product List Usability: Avoid ‘Quick View’ Overlays

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Responsive Upscaling: 11 Ideas for Large-Screen E-Commerce Design

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How to Design ‘Applied Filters’ (42% Get It Wrong)

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Filtering UI: A Horizontal Toolbar Can Outperform the Traditional Sidebar

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Improve Validation Errors with Adaptive Messages

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8 UX Requirements for Designing a User-Friendly Homepage Carousel

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E-Commerce Checkouts Need to Mark Both Required and Optional Fields Explicitly (Only 9% Do So)

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Form Usability: Getting ‘Address Line 2’ Right

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8 Design Patterns for Autocomplete Suggestions

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Deconstructing E-Commerce Search: The 12 Query Types

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6 Guidelines for Truncation Design

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Avoid Inline Scroll Areas (26% Get it Wrong)

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Checkout Design: Payment Method Selection

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4 Design Patterns That Violate Back-Button Expectations

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Avoid These 5 Types of E-Commerce Graphics

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E-Commerce Sites Need 2 Types of Breadcrumbs (68% Get it Wrong)

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6 Mobile Checkout Usability Considerations

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Users Continue to Double-Click Online

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5 High-Level Mobile Commerce Design Considerations

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Mobile Form Usability: Never Use Inline Labels

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Mobile Form Usability: Place Labels Above the Field

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Which Site Seal do People Trust the Most? (2013/2016 Survey Results)

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6 Ways to Get More Out of Your Order Confirmation Page

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Format the ‘Expiration Date’ Fields Exactly as the Credit Card (40% Get it Wrong)

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Accordion Style Checkouts – the Holy Grail of Checkout Usability?

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Visually Reinforce Your Credit Card Fields (89% Get it Wrong)

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8 Limitations When Designing For Mobile

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UX and the Kano model

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One Page Checkouts – the Holy Grail of Checkout Usability?

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Form Field Usability: Avoid Multi-Column Layouts

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19 Ways to Simplify ‘Sign Up’

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Readability: the Optimal Line Length

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Drop-Down Usability: When You Should (and Shouldn’t) Use Them

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