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3 resources from nngroup.com we point founders to, and the questions each answers.

📄 Article
✓ Link checked Free Intermediate

Why we picked it NN/g is the most respected independent UX research lab in the world, and mobile checkout is where most D2C stores quietly lose the sale - this is the research-backed version of 'make checkout easy,' not opinion.

The Mobile Checkout Experience

From nngroup.com by Nielsen Norman Group

  • Mobile cart abandonment is driven heavily by friction, not just price - unclear costs and forced account creation are top offenders.
  • Offer guest checkout and show total cost (incl. shipping) before the final step.
  • Thumb-zone placement of primary actions (buy button, address fields) measurably reduces drop-off.
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📄 Article
✓ Link checked Free Intermediate

Why we picked it NN/g's guidelines come from large-scale usability testing across markets including India, so this is evidence rather than opinion on what a product page actually needs to convert a shopper who already has intent.

UX Guidelines for Ecommerce Product Pages

From nngroup.com by Nielsen Norman Group

  • Shoppers use product pages to answer specific questions - only buyers who already know exactly what they want skip the page.
  • The underlying research spans usability testing across the US, UK, Denmark, India and China.
  • A free entry point into NN/g's much larger paid product-page research report for teams that want the full guideline set.
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📄 Article
✓ Link checked Free Intermediate

Why we picked it A rigorous, research-based look at how shoppers actually use (and abandon) size charts - the UX discipline behind why 'just add an S/M/L chart' isn't enough, from the most credible name in usability research.

Size Guides and Product Measurements for International Shoppers

From nngroup.com by Nielsen Norman Group

  • Shoppers trust real body/garment measurements far more than generic size labels.
  • Size guides need to be reachable in one click from the variant selector, not buried in a tab.
  • International and multi-brand shoppers actively compare measurements across sites before buying.
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