The checkout process is the crucial moment in an online shop. It determines whether a visitor actually makes a purchase or abandons the purchase. Studies show that over 70 percent of all shopping baskets Customers often abandon their purchase before completing it. The reasons often lie in the checkout process itself: too complicated, too many steps, or a lack of payment options. In this article, I'll show you how to optimize your checkout in three clear steps – so that more customers successfully complete their purchase.
Step 1: Simplifying the checkout structure
A complex checkout process is off-putting. Every unnecessary click is an obstacle. The goal is to make the process as simple as possible.
Practical tips for simplification:
- Enable guest checkout: Do not require registration, but offer direct purchase without a customer account.
- Few form fields: Limit yourself to the essentials: name, address, E-mailPayment details. Everything else is optional.
- One-page checkout: Instead of going through several pages, you summarize all the steps on one page.
- Use Auto-Fill: Supports automatic address suggestions and payment methods.
Shops that clearly show: "You are just one step away from making a purchase" are particularly successful. This makes customers feel that they can reach their goal quickly.
Step 2: Creating trust and transparency
Trust is crucial in the checkout process. Many abandoned purchases occur because customers are unsure whether the purchase is secure or whether additional costs will be incurred.
Here's how to build trust:
- Visible safety symbols: SSL encryption, seals of approval such as Trusted Shops or TÜV seal.
- Clearly display costs: Show shipping costs and additional fees early on, not just in the last step.
- Clearly state return policies: Customers want to know that they can return items easily.
- Customer reviews: Integrate customer reviews directly into the checkout or shopping cart.
Transparency creates security. Customers who know there are no hidden costs and that their data is protected are more likely to complete the purchase.
Step 3: Offer flexible payment methods
Payment methods are one of the most common reasons for shopping cart abandonment. Customers abandon their purchase if their preferred payment method is unavailable.
Implementation tips:
- Offering variety: Credit card, PayPal, instant bank transfer, Klarna, purchase on account. Check what is common in your target market.
- Mobile Payment: Apple Pay and Google Pay is particularly important for smartphone users.
- Regional methods: In Germany, buying on account is popular, in the Netherlands it's iDEAL.
- Make payment options visible early: The available options should be clear right from the shopping cart.
A wide selection increases conversion rates. Customers should be able to find their preferred payment method immediately – without any detours.
Practical example
A fashion retailer reduced its checkout process from five to two steps, clearly displayed shipping costs from the outset, and integrated PayPal Express. The result: The abandonment rate dropped by 20 percent, and the conversion rate increased by 15 percent. Small adjustments can therefore have a big impact.
Further optimization options
- Insert progress bar: Customers can see how many steps are still ahead of them.
- Cancellation emails: Send reminders when a customer abandons their shopping cart.
- Optimize performance: loading time Checkout times need to be short, especially on mobile devices.
- Mobile First: Make sure the entire checkout process is perfectly usable on mobile devices.
Scientific studies and external resources
You can find more information about checkout optimization here:








I can confirm the 70% dropout rate from my own projects – although the actual rate is highly dependent on the industry.
One important point that's still missing for me: error handling in the checkout process. Nothing is more frustrating than cryptic error messages or a form that deletes all entries after an error.
My top 3 quick wins from practical experience:
1. Inline validation instead of showing errors only after submission. As soon as the field is left, there is immediate feedback. This greatly reduces frustration.
2. Keep the shopping cart contents visible – either as a sidebar or a collapsible summary. Customers want to review their purchases during checkout. This is especially important for larger shopping carts.
3. Prominently place "Express Checkout" – PayPal Express, Apple Pay or Google Pay directly from the shopping cart. With one client, this resulted in 12% more mobile conversions.
Regarding guest checkout, one more thing: The "Create customer account after purchase" option works perfectly. The customer can quickly complete their purchase and then create an account with a single click – the data is already there.
One question: How do you handle international checkouts? Address formats, taxes, currency conversion – it quickly becomes complex. Has anyone found an elegant solution that doesn't break the user experience?
The tip about the cancellation emails is invaluable – but be careful with the timing! Too early is annoying, too late is pointless. Two to four hours has worked well for us.