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D2C ecommerce · April 2026

CRO for Shopify: where to look first

Most Shopify stores doing $5M+ have the same shape. Paid traffic into the homepage or a collection, funnel to a PDP, then checkout. If that’s you, here’s where the wins usually hide, ranked roughly by expected impact per unit of effort.

1. The PDP above the fold

This is almost always the highest-leverage surface on the site, and it’s almost always under-optimised. Three things to check:

  • Does the headline state the outcome, or the product? "Premium merino base layer" is a product. "The base layer you stop taking off on ski trips" is an outcome. The second converts better.
  • Do the first two bullet points answer the top two objections? Pull the top objections from your email post-purchase survey. If the PDP doesn’t address them in the first 200 words, it will lose buyers who don’t scroll.
  • Is the primary image showing the product doing its job, or sitting on a backdrop? For most categories, in-use beats studio.

2. The checkout

Shopify checkout is mostly fixed, but you have more control than you think via checkout customisations, extensions, and the post-purchase page. Three tests worth running:

  • Upsell on the post-purchase page. Not the thank-you page itself but the interstitial between order and thank-you. On HPA, our checkout upsell hit a 26% take rate.
  • Shipping-threshold nudge in cart. "Add $12 for free shipping" with a progress bar, if you have threshold-based shipping. Tends to lift AOV when the threshold sits just above the average order.
  • Trust density at the payment step. Not badges. Wording. "No charge until order confirmed" or similar. Surprisingly strong on cold traffic.

3. Collection pages for paid traffic

If you’re running Meta or Google to a collection page, that page is effectively a landing page and should be treated as one. Most collection pages fail because they’re treated as navigation.

What to test: a hero that restates the ad’s promise, a short (2-3 sentence) primer, social proof directly above the grid, and only then the products.

4. The homepage hero, for repeat traffic

If your homepage gets meaningful direct or returning traffic, the hero matters. If it’s only a first-touch landing for cold paid, send paid somewhere else and let the homepage serve the existing customer.

The test that usually wins: replacing a brand-voice hero with a problem-led hero. "Handcrafted in New Zealand since 2012" loses to "The boots that stay dry through three winters."

5. Cross-sells on the cart drawer

Bundle and cross-sell apps are everywhere in the Shopify ecosystem, and most of them are installed, configured once, and forgotten. Testing different bundle logic (complementary SKU, higher-priced alternative, smart recommendation tuned to the actual basket) lifts AOV when you find the version that matches your buyer.

Where teams waste the first quarter

  • A/B testing button colour and copy in isolation. These tests are cheap and almost never move a needle big enough to show up.
  • Redesigning the nav. Navigation bets rarely beat content bets. And nav tests are hard to measure without long run-times.
  • Optimising the About page. The About page matters, but not for conversion. For conversion, it’s usually a near-zero-impact surface.

If you’re starting from zero

One quarter. Five places. Start with the PDP. End with the post-purchase page. Everything else can wait.

If you want to know which of these is the biggest leak on your specific Shopify store, that’s exactly what an audit answers. See how we work or book a 15-minute call.