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Ecommerce A/B Test Playbook

Browse ecommerce test ideas by page, impact, effort, and primary learning.

Run tests in Otter
PDPHigh impactMedium effort

Hero image order

Move lifestyle image before studio image for mobile visitors.

Learning: Product context

PDPHigh impactMedium effort

Price framing

Test price anchoring near subscription or bundle offers.

Learning: Offer clarity

PDPHigh impactLow effort

Delivery promise

Show delivery date near add-to-cart instead of below tabs.

Learning: Purchase anxiety

PDPHigh impactMedium effort

Sticky CTA

Add sticky mobile add-to-cart after the main CTA scrolls away.

Learning: Mobile friction

PDPMedium impactLow effort

Review placement

Move review summary beside title and repeat near CTA.

Learning: Trust

PDPMedium impactLow effort

Variant naming

Replace internal color names with shopper-friendly labels.

Learning: Selection clarity

CollectionMedium impactLow effort

Default sort

Compare best-selling default sort against newest arrivals.

Learning: Discovery

CollectionMedium impactMedium effort

Filter prominence

Expose top filters as chips above the grid.

Learning: Findability

CollectionMedium impactLow effort

Product badges

Test best-seller, low-stock, or new badges in grid cards.

Learning: Decision cues

CartHigh impactLow effort

Shipping threshold

Add progress copy toward free shipping.

Learning: AOV

CartMedium impactLow effort

Trust reminder

Add returns and secure checkout reassurance near checkout CTA.

Learning: Risk reduction

CartMedium impactLow effort

Cross-sell position

Move recommendations below checkout action.

Learning: Checkout focus

CheckoutHigh impactMedium effort

Express payment

Move express wallet buttons above contact fields.

Learning: Checkout speed

CheckoutMedium impactMedium effort

Error copy

Rewrite validation messages with exact field-level fixes.

Learning: Form completion

CheckoutHigh impactLow effort

Guest checkout copy

Reframe account creation as optional after purchase.

Learning: Friction

HomepageHigh impactLow effort

Hero CTA

Test direct product-category CTA against generic shop CTA.

Learning: Intent routing

HomepageMedium impactLow effort

Social proof

Move proof row directly below hero on mobile.

Learning: Trust

OfferHigh impactMedium effort

Bundle framing

Test savings message against convenience message.

Learning: Offer motivation