How to Optimize Your E-commerce Checkout

The checkout is where revenue is won or lost. Baymard Institute's research across 50 studies puts the average cart abandonment rate at 70.22%. For every 10 customers who add an item to their cart, only 3 complete the purchase. The other 7 represent revenue that was almost yours.

Checkout optimization is the highest-ROI activity in e-commerce because you are working with visitors who have already demonstrated strong purchase intent. Converting even a small percentage of abandoners produces significant revenue without any additional ad spend.

Why Customers Abandon Checkout

The Top Reasons

Baymard's research identifies the leading causes of checkout abandonment among shoppers who were not just browsing. Extra costs (shipping, taxes, fees) being too high are cited by 40%. Delivery being too slow is cited by 20%. Not trusting the site with card details stops 19%. Required account creation drives away 18%. The checkout process being too long or complicated is cited by 17%.

The Hidden Reasons

Beyond survey responses, behavioral data reveals additional friction: confusing form validation that rejects valid inputs, unexpected page reloads that lose form progress, mobile keyboards that cover form fields, promo code fields that send customers hunting for discounts, and payment methods that are not available.

Data-Driven Checkout Improvements

Reduce Surprise Costs

Show shipping costs, taxes, and fees as early as possible - ideally on the product page or in the cart. Customers who reach checkout already knowing the total price convert at significantly higher rates than those who discover extra costs at the final step.

Consider absorbing shipping into product prices. "Free shipping" is a powerful conversion driver even when the economics are the same. If you cannot offer free shipping on everything, use a threshold: "Free shipping on orders over $65."

Eliminate Required Registration

Guest checkout should always be available. You can offer account creation after the purchase is complete, when the friction cost is zero: "Want to save your details for next time? Create an account with one click."

Baymard's survey has 18% of abandoning shoppers citing forced account creation.

Simplify the Form

Every form field is a potential abandonment point. Minimize fields to the essential: shipping address, payment details, and email for order confirmation. Use auto-fill and address autocomplete to reduce typing. Combine first and last name into a single field if possible. Remove optional fields or move them to a separate "additional information" section.

Build Trust

Payment security concerns are real. Display trust badges (SSL, payment provider logos, security certifications) near the payment form. Show customer reviews and ratings on the checkout page. Include your return policy and customer service contact information. These signals reassure hesitant buyers at the moment of highest anxiety.

Optimize for Mobile

Over 60% of e-commerce traffic comes from mobile, and many stores still see mobile convert below desktop, although published benchmarks disagree on the size and even the direction of the gap. Mobile checkout needs extra attention: large tap targets for buttons, appropriate keyboard types for each field (numeric for phone, email for email), minimal scrolling required, and support for mobile wallets (Apple Pay, Google Pay) that eliminate form filling entirely.

Testing and Measurement

What to Measure

Track checkout funnel metrics at each step: cart to checkout initiation rate, form completion rates per step, payment submission rate, and order confirmation rate. Segment by device, traffic source, and customer type (new vs returning) to identify specific friction points.

How to Test

A/B test checkout changes one at a time. Common tests include single-page vs multi-step checkout, guest checkout vs required registration, different payment method ordering, form field reduction, and trust badge placement.

Run each test until you reach statistical significance (usually 1,000+ completions per variant) before drawing conclusions.

Session Recordings

Session recordings of the checkout process reveal friction that quantitative data cannot. Watch real customers struggle with form fields, hesitate at the payment step, or rage-click on broken elements. Five recordings of frustrated users often reveal more than five weeks of A/B testing.

Advanced Techniques

Saved Payment Methods

Returning customers who can pay with a saved card convert at dramatically higher rates. Implement tokenized payment storage through your payment processor. One-click purchasing for returning customers can double repeat purchase conversion rates.

Dynamic Checkout

Personalize the checkout experience based on the customer. Returning customers see a simplified flow with pre-filled information. New customers from high-trust sources (organic search, email) might skip some trust-building elements. Customers from cold traffic sources see additional reassurance.

Exit-Intent Recovery

When a customer moves to leave the checkout page, trigger a targeted intervention: address the most common objection (free shipping offer), simplify the remaining steps (one-click payment option), or save their cart for later (email with a return link).

Arktis provides behavioral analytics and session recordings that reveal exactly where and why customers abandon your checkout, enabling data-driven improvements.

Sources

1. Baymard Institute, "Cart Abandonment Rate Statistics"

2. Baymard Institute, "Checkout Usability Guidelines"

3. Shopify, "Cart Abandonment Solutions"

4. Nielsen Norman Group, "E-commerce Checkout Usability"