PDP CRO: 14 tests that move revenue
PDP CRO: 14 tests that move revenue
The 14 product page CRO tests we run first on UK Shopify stores - hero, ATC placement, reviews, sticky ATC, mobile gallery and trust signals.
The 14 tests
- Sticky mobile ATC bar - +8-15% mobile conversion.
- Price + VAT display - "£49 inc. VAT" outperforms "£40.83 + VAT" for B2C.
- Star rating below H1 - moves 3-6% of shoppers past the trust threshold.
- Delivery estimate above ATC - "Order today, get it Wed 27th" beats generic 2-3 day promise.
- Free returns callout - "Free UK returns for 60 days" belongs at ATC, not the footer.
- Multi-image gallery with lifestyle first - lifestyle image as #1 outperforms product-only for apparel/beauty.
- Video on PDP - 10-30s product video lifts PDP conversion 4-9%.
- Size guide inline (not modal) - inline accordion beats modal by 3-5% for apparel.
- Bundle / cross-sell above the fold - "Complete the look" or "Frequently bought together" placed below ATC.
- Trust badges near ATC - Visa/Mastercard/Klarna/Clearpay/PayPal.
- Social proof snippet - "Loved by 12,847 UK customers" or similar.
- Product FAQ accordion - answers top 5 pre-purchase questions.
- Reviews section with photos - photo reviews convert 2x higher than text-only.
- Recently viewed / related products - keeps browsers on-site 40% longer.
Ship order
Sticky mobile ATC first (highest ROI), delivery clarity second, reviews and social proof third. Everything else is refinement.
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Related tools & resources
Free UK ecommerce calculators, definitions and benchmarks referenced in this guide.
Frequently asked questions
Sticky mobile Add to Cart. On UK Shopify stores where 65%+ traffic is mobile, adding a persistent bottom-of-viewport ATC bar typically lifts PDP conversion 8-15%.