Design Brief Template for E-Commerce Features
E-commerce design briefs must prioritize conversion above all other metrics. Every design decision should be evaluated against the question: does this help or hinder the path to purchase? This template structures design briefs around conversion-critical concerns.
This template is designed for PMs writing briefs for designers working on marketplace, storefront, or checkout features.
Template sections
5 sections covering the complete design brief workflow.
Conversion Context
Document the current conversion funnel and where this feature sits within it. Include current conversion rate at this step, average time spent, common drop-off reasons, and the target improvement. The designer needs to understand the commercial context, not just the interaction design.
Mobile-First Considerations
Over 70% of e-commerce traffic is mobile. Document mobile-specific requirements: touch target sizes (minimum 44px), thumb-zone placement for primary actions, mobile payment integration (Apple Pay, Google Pay), and image loading performance on cellular connections.
Trust and Security Elements
E-commerce design must communicate trust at every step: security badges, return policy visibility, customer reviews, secure payment indicators, and clear pricing (no surprise fees). Document which trust elements are required at each stage of the purchase flow.
Product Display Requirements
Specify product image requirements: minimum image count, zoom capability, alternative views, lifestyle vs. product-only images, video support, and 360-degree views if applicable. Product imagery is the primary conversion driver in e-commerce.
Checkout Optimization
If the feature touches checkout: guest checkout support, progress indicator, form field reduction, address autocomplete, payment method variety, and order summary visibility. Every additional form field reduces conversion by approximately 5-7%.
Copy-paste template
# E-Commerce Design Brief: [Feature Name] ## Conversion Context - **Funnel position:** [Browse/PDP/Cart/Checkout] - **Current conversion:** [%] at this step - **Target improvement:** [%] - **Top drop-off reason:** [Reason] ## Mobile Requirements - Touch targets: minimum 44px - Primary actions: within thumb zone - Mobile payment: Apple Pay, Google Pay - Image loading: < 1s on 4G ## Trust Elements Required - [ ] Security badges - [ ] Return policy - [ ] Customer reviews - [ ] Secure payment indicators - [ ] Clear pricing (no hidden fees) ## Product Display - Minimum images: [N] - Zoom: [Required/Optional] - Video: [Required/Optional] - Size guide: [Required/Optional] ## Checkout (if applicable) - Guest checkout: Required - Form fields: Maximum [N] - Progress indicator: Required - Order summary: Always visible
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