We test your store.
You get a clear report.

Ready-made test plans built on ecommerce best practices. We handle the testing for you.

View test plans & pricing
Sample opened email from Cartmellow: Essentials plan, 50 checks, 48 passed and 2 need review. Product variants and add to cart passed; basket updates need review. Next step: check basket totals after quantity changes.

Different stores. The same peace of mind.

A softly illustrated cream knit top.

Fashion & apparel

Make sure the right size, colour and price reach the basket, even after a new collection or theme update.

A softly illustrated sage skincare serum bottle.

Beauty & skincare

Check that routine sets, promotions and loyalty benefits work together before your next campaign goes live.

A softly illustrated off-white ceramic table lamp.

Home & living

Check product options, delivery choices and checkout so customers can complete their order as expected.

Example use cases. Checks depend on your selected plan and agreed coverage.

How Cartmellow works.

A new theme, app or promotion? We check whether your buying journey still works. Your email report shows what passed, what needs attention and what to look at next.

  1. A prepared checklist being selected.
    01

    Choose a plan.

    Start with best-practice checks for core shopping, promotions or completed orders. Your test plan is already built.

  2. A storefront with a settings cog, representing setup for your shop.
    02

    We set it up.

    We tailor the tests to your products, apps and business rules. You don’t have to write them.

  3. An open envelope with a checked report inside.
    03

    Get your report.

    Every run brings results and clear next steps straight to your inbox.

Compare test plans

A plan for your store.

Essentials

The core journey from product to checkout.

€50 / plan run

50 standard tests
Monthly test maintenance: €99
One-time setup from €790

  • Products, variants and search
  • Basket and checkout handoff
  • Desktop and mobile viewports
Start with Essentials
For growing stores

Growth

Extra care for offers and returning customers.

€80 / plan run

80 standard tests
Monthly test maintenance: €149
One-time setup from €1,290

  • Core shopping journeys
  • Promotions and bundle rules
  • Accounts and loyalty to checkout
Choose Growth

Full Journey

Follow the purchase through to confirmation.

€125 / plan run

100 standard + 5 transaction tests
Monthly test maintenance: €249
One-time setup from €1,990

  • Growth shopping coverage
  • Agreed payments and orders
  • Confirmation and refund checks
Explore Full Journey

Prices exclude VAT.

Florian Weigang, founder of Cartmellow

Florian WeigangFounder, Cartmellow

Ecommerce experience.
Built into your checks.

Florian works with ecommerce brands on the systems behind their stores, from commerce architecture to the details of the buying journey. His experience includes building commerce systems at ABOUT YOU, leading backend teams at SCAYLE and advising Deichmann as a consulting enterprise architect on loyalty, pricing and promotions.

Cartmellow turns that experience across brands, platforms and teams into practical test plans for your store.

Email Florian