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  • April 27, 2025
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What makes customers complete checkout?

What Makes Customers Complete Checkout? improve checkout process

Ever watched a potential sale slip through your fingers? That’s exactly what happens with every abandoned cart. And, it happens a lot—over 70% of checkouts are abandoned before completion.

That’s not just a statistic; it’s a wake-up call. This represents an eye-popping $18 billion opportunity just waiting to be unlocked through better checkout optimization. Isn’t it time you stopped leaving money on the table?

Understanding checkout abandonment: facts and figures

The 70% cart abandonment challenge

Let’s face it—the numbers are downright painful. According to the Statista, approximately 70% of shoppers bail during checkout. Think about that for a second. For every 10 visitors who start checking out on your WordPress site, 7 of them vanish without completing their purchase [Baymard Institute]. That’s like watching 7 out of 10 customers walk out of your physical store with items in hand—no wonder it keeps you up at night!

The $18 billion revenue opportunity

Here’s where things get interesting. Those abandoned carts? They represent up to $18 billion in recoverable sales annually. Even for small WordPress bloggers or non-profits, tweaking your checkout process could mean thousands in recovered revenue. It’s like finding money you didn’t know you were missing—the best kind of surprise.

Primary reasons customers abandon checkout

Before fixing anything, you need to know what’s broken. Here’s why your customers are leaving:

  • Extra costs too high (shipping, taxes, fees) — A whopping 39% of abandonments
  • “Create an account or else!” syndrome — 19% flee at this hurdle
  • Complex checkout process — 18% get lost in the complexity
  • “How much is this gonna cost, really?” uncertainty — 14% hate surprises
  • Website glitches and crashes — 15% won’t tolerate technical hiccups
  • Limited payment options — 9% want to pay their way
why customers leave checkout process?

The psychology behind successful checkouts

What is the checkout process?

The checkout process is the digital equivalent of that final stretch at a physical store—from grabbing your wallet to walking out with your purchase.

Unlike physical stores, digital checkouts have countless opportunities for customers to second-guess their decisions or get distracted by that adorable cat video notification.

The standard 3-step checkout flow

The most effective checkout flows keep things refreshingly simple:

  1. Information collection – “Who are you and where’s this going?”
  2. Payment selection – “How would you like to pay for that?”
  3. Order review and confirmation – “Double-check and we’re done!”

Each step should feel like you’re rolling out a red carpet toward the finish line, not setting up hurdles in an obstacle course.

How checkout experience affects customer trust

Your checkout page design is your virtual storefront’s final impression. A professional, secure-looking checkout—complete with trust badges and transparent policies—can boost conversion rates by up to 35%. On the flip side? A sketchy checkout page triggers the same alarm bells as a physical store with flickering lights and mysterious stains on the floor. Not exactly confidence-inspiring, is it?

Essential elements of a high-converting checkout

1. A simple checkout journey

Here’s a sobering reality: Chili Piper analyzed over 650,000 forms and reported that removing each unnecessary form field boosts conversions by 3–5%.

That’s right—every additional click costs you customers. Well-designed one-page checkout options often outshine their multi-page counterparts. Sometimes less really is more—especially when it comes to steps between desire and purchase.

2. Limited number of the form fields for maximum conversion

Form fields are like questions at a dinner party—ask too many, and people start looking for the exit. Baymard Institute found that typical checkouts demand 14 form fields when only 7-8 are actually necessary [Baymard Institute]. Smart form field optimization means:

  • Ruthlessly cutting unnecessary fields (does a student buying headphones really need to provide a company name?)
  • Using smart defaults that save typing
  • Implementing address autocomplete magic (because nobody enjoys typing their address)
  • Providing instant validation feedback (so they know if something’s wrong immediately—not after submitting)

📖 You might also like to read: How to customize forms with CSS styles?

3. Mobile-friendly checkout

With over 61.5% of traffic now coming from mobile devices, ignoring mobile-friendly checkout is like setting up shop in a hidden alley. Your mobile checkout needs:

  • Touch-friendly buttons that don’t require microscopic finger precision (minimum 44×44 pixels)
  • Text fields large enough for human fingers—not elf fingers
  • Smart keyboards that appear based on what you’re typing (email, numbers, etc.)
  • Single-column layouts that eliminate horizontal scrolling nightmares
  • Mobile wallet integration (Apple Pay, Google Pay) for that sweet, sweet one-tap checkout

4. Trust with security badges and guarantees

Security badges aren’t just digital decorations—they’re visual promises. Display these trust signals prominently:

  • SSL certificates and security icons that say “your data is safe here”
  • Recognizable payment logos (Stripe, PayPal) that add credibility by association
  • Money-back guarantee details that reduce purchase anxiety
  • Customer service availability—because knowing help is available makes people more confident

These visual reassurances aren’t just nice-to-haves—they can boost checkout completion rates by up to 42%. That’s nearly half your abandoners potentially converted just by making them feel secure!

📖 You might also like to read: How to display Stripe trust badges?

Guest checkout vs. account creation: finding the perfect balance

Why guest checkout is non-negotiable?

Forced account creation is the digital equivalent of making someone fill out a membership application before buying a coffee. It’s the second-highest reason for checkout abandonment, and offering a guest checkout option can boost your conversion rates by up to 45%.

statistics about how offering a guest checkout decrease abandonments and increase conversion rates

Encouraging account creation without disrupting conversion

Accounts benefit everyone—you get valuable customer data, and they get convenience for future purchases. But timing and approach matter immensely:

  • Showcase real benefits (“Track your order” sounds better than “Create an account”)
  • Offer tangible incentives (that 10% discount on their next purchase might be the nudge they need)
  • Make it clearly optional and secondary—the purchase path should always be the highway, with account creation as a scenic detour

Smart approaches to post-purchase account offers

The perfect moment to suggest account creation? Right after they’ve bought something! The post-purchase experience creates a psychological sweet spot where customers are more receptive to committing further, especially when you:

  • Pre-fill all their information from the order (because nobody wants to type their address twice)
  • Make it as simple as creating a password (they’ve already done the hard work)
  • Connect the account directly to their just-completed purchase (“See and manage your order anytime!”)

📖 You might also like to read: How to Save Customer Card Details for Future Transactions?

Payment options that drive checkout completion

One-click checkout solutions

One-click checkout solutions like Shop Pay and Apple Pay aren’t just conveniences—they’re conversion boosters that can increase rates by up to 35%:

  • An A/B test integrating express checkout options (Shop Pay, Google Pay, Apple Pay) in a Smart Cart saw a 35% jump in conversion rate.
  • Shopify’s own data shows that Shop Pay can lift conversions by up to 50% compared to guest checkout, and its mere presence can add an extra 5% lift

These solutions store payment and shipping details securely behind the scenes, eliminating the tedium of re-entering information for every purchase.

Digital and mobile wallet integration

Digital wallets like PayPal, Apple Pay, and Google Pay have transformed from nice-to-have to must-have:

  • They’re lightning fast—one empirical study timed checkout flows and found mobile wallet payments averaged 29 seconds versus 40 seconds for manual card entry—a 27.5% speedup (who doesn’t want to save time?)
  • Customers perceive them as more secure (even if they don’t understand the technical reasons)
  • Offering targeted payment options, including digital wallets, can improve conversion rates by up to 30%, according to Retail Touchpoints (because typing credit card details on a phone is nobody’s idea of fun)

“Allowing users to pay using Apple Pay, Amazon Pay or Google Wallet removes that fear, which translates into more revenue for your business.” – BigCommerce.

📖 You might also like to read: How to accept Apple Pay & Google Pay in WordPress with Stripe

Buy Now, Pay Later (BNPL) options

The rise of BNPL services like Klarna and Afterpay isn’t just a trend—it’s a checkout revolution. PYMNTS estimates average order values jump by up to 50% when BNPL is offered.

The psychology is fascinating: breaking payments into bite-sized pieces makes larger purchases feel more accessible, even when customers could afford to pay upfront.

Multiple payment methods for global customers

If you’re selling globally, offering only credit cards is like speaking only English in a multilingual world. Beyond credit cards, consider:

  • Regional payment champions (iDEAL in Netherlands, Sofort in Germany—payment methods that dominate specific markets)
  • Bank transfers for B2B transactions where they’re preferred
  • Digital wallets that have captured market share in regions you’re targeting

Remember: your payment preferences don’t matter—your customers’ do.

Shipping and delivery: critical checkout conversion factors

Transparent shipping costs

Surprise shipping costs remain the #1 checkout killer. It’s like reaching the register only to discover an unexpected fee—nobody likes that feeling. Display shipping costs early and clearly in the process or, better yet, on product pages themselves.

Free shipping strategies that convert

Free shipping offers aren’t expenses—they’re investments that boost conversion rates by an average of 20%. Consider these clever approaches:

  • Free shipping thresholds that subtly encourage customers to add “just one more item” to qualify
  • Free shipping memberships that foster loyalty and repeat purchases
  • Limited-time free shipping promotions that create urgency and drive immediate action

Amazon’s Buy with Prime program—which bundles one‑ to two‑day free shipping with a native checkout experience—delivers an average 25% lift in conversions for merchants.
Some sellers even report a 40% jump in conversions after enabling Buy with Prime’s free‑shipping option.

Delivery options and time slot selection

Flexible delivery options address a fundamental human need for control. Tools like Iconic Delivery Slots let customers choose when their packages arrive—reducing the anxiety of “Will I be home when this delivers?” and increasing their confidence in completing the purchase.

Setting clear delivery expectations

Uncertainty about when items will arrive creates hesitation that leads to abandonment. On your checkout pages:

  • Show actual estimated delivery dates (“Arrives June 10-12”), not just vague shipping times
  • Provide tracking information prominently in confirmation emails
  • Set realistic expectations—better to under-promise and over-deliver than the reverse

Streamlining the checkout flow

One-page vs. multi-step checkout: what works best?

The debate between one-page checkout and multi-step checkout isn’t one-size-fits-all. Research suggests the complexity of your purchase should guide your choice:

  • Simple purchases with few options? One-page often converts better
  • Complex purchases with many details? Multi-step with clear progress indicator typically wins

Progress indicators and their impact on completion

For multi-step checkouts, progress indicators aren’t just decorative—they’re psychological tools that can increase completion rates by up to 14%. They work through powerful psychological principles:

  • They eliminate the “how much longer?” uncertainty that causes abandonment
  • They create small dopamine hits as customers complete each step
  • They set expectations about what information will be needed next

Moreover, according to Nielsen Norman Group: “Order review pages increase conversion rates by up to 28%. The reason is that that users are 82% more likely to complete purchases when they can visualize their progress through a multi‑step flow (UX Collective).

Address autocomplete and smart form filling

Address autocomplete through services like Google Address Autocomplete API is the digital equivalent of having someone fill out forms for your customers. It slashes form completion time by up to 25% and reduces address errors by 20%. This translates directly into fewer customers abandoning due to “form fatigue”—that moment when typing just one more field feels like too much effort.

Integrating address autocomplete significantly speeds up form filling—typically by 25–30% (blog.google, MarketingProfs), with some implementations reporting gains as high as 50–80%—and consistently cuts address‐entry errors by around 20%.

📖 Read step-by-step guide on how to pre-fill Stripe payment form fields via URL parameters.

Optimizing loading speed for checkout pages

When it comes to checkout page loading speed, seconds literally equal dollars:

  • 40% of shoppers will abandon a website if it takes longer than 3 seconds to fully load (patience is in short supply online)
  • Pages loading in 2.4 seconds convert at 1.9% versus a measly 0.6% for pages taking 5.7+ seconds

Optimize images, leverage browser caching, and minimize HTTP requests—your conversion rates will thank you.

page load speed impact on conversion rates

Overcoming last-minute hesitation

Effective use of social proof at checkout

Strategic social proof at checkout is like having satisfied customers whispering reassurances in the ears of hesitant shoppers. It can boost conversions by up to 15% when you implement:

  • Live purchase notifications that create FOMO (fear of missing out)
  • Relevant customer review snippets that address checkout concerns
  • “X customers purchased in the last 24 hours” counters that build confidence through numbers

Making return policies visible

A clearly visible return policy acts as a safety net that can increase conversions. For example, a Forbes Council study found that offering free returns can boost conversion rates on high‑ticket items by 17%.

Don’t hide this information in fine print—place concise return details directly on checkout pages. Something as simple as “Free 30-day returns” can dissolve purchase anxiety on the spot.

Highlighting total savings

We’re all wired to love a good deal. Showing customers exactly how much they’re saving (when varied per product) creates a powerful psychological reward that can increase checkout completion rates by up to 2.57% (and 3.61% on mobile). It transforms the pain of payment into the pleasure of saving. (A/B test by GrowthRock).

Clarifying subscription commitments

For subscription products, lack of clarity is the enemy of conversion. Spell out in crystal-clear terms:

  • Exactly how often they’ll be billed and how much
  • Simple, straightforward instructions for pausing or canceling
  • Precise next billing date so there are no surprises

Post-checkout experience: sealing the customer relationship

Creating an effective order confirmation page

The order confirmation page is prime real estate that too many businesses waste. Optimize this valuable moment by:

  • Providing crystal-clear order details and next steps (confusion leads to support tickets)
  • Offering direct customer service contact options for immediate questions
  • Creating incentives for social sharing (“Share your purchase and get 10% off your next order”)
  • Suggesting truly complementary products that enhance what they’ve just purchased

Thank you page optimization for customer retention

A well-crafted thank you page isn’t just polite—it’s profitable, potentially increasing customer lifetime value and conversion rates. Make yours work harder by including:

  • Smart account creation incentives that highlight immediate benefits
  • Referral program details that turn one sale into multiple opportunities
  • Social media follow buttons that extend the relationship beyond the purchase
  • Loyalty program enrollment options with clear, compelling benefits

📖 Read step-by-step guide on how to create ‘Thank You!’ page in WordPress.

Post-purchase cross-selling opportunities

Strategic post-purchase recommendations – upsells generate 10% additional revenue when done right, and targeted cross‑selling has driven average order values up 25–35% in some studies.

With WP Full Pay, you can customize confirmation pages and include relevant product suggestions with simple coding.

Key metrics to track checkout performance

You can’t improve what you don’t measure. Keep a close eye on these critical checkout performance metrics:

  • Checkout completion rate – the percentage of users who actually finish what they start
  • Cart abandonment rate by step – identifying exactly where you’re losing customers
  • Average checkout time – because time is the enemy of completion
  • Payment failure rate – technical issues that directly cost you sales
  • Device-specific conversion rates – spotting if mobile users are struggling more than desktop users

A/B testing checkout elements

When conducting checkout page A/B testing, focus your experiments on elements with the highest potential impact:

  • Button text, color, and placement (small changes can yield surprising results)
  • Form field sequence and design (the order and appearance matter more than you might think)
  • Guest checkout vs. account creation prominence (finding the perfect balance)
  • Payment method presentation (which options should be highlighted first?)

Using analytics to identify friction points

Set up comprehensive checkout usability testing and analytics to find where customers hit roadblocks:

  • Heat mapping reveals where eyes linger and cursors hesitate
  • Session recordings expose usability issues that quantitative data misses
  • Form field analytics pinpoint which specific inputs cause abandonment
  • Exit-intent surveys capture abandonment reasons in customers’ own words

Continuous Improvement Strategies

Checkout optimization isn’t a one-and-done project—it’s an ongoing commitment. Implement a continuous improvement cycle that includes:

  • Monthly deep dives into performance data
  • Regular competitor checkout analysis to spot emerging trends
  • Targeted customer feedback collection specific to checkout pain points

Implementing the perfect checkout in WP Full Pay

Setting up one-click checkout with WP Full Pay

WP Full Pay makes implementing one-click checkout easy through its seamless Stripe integration. By enabling saved payment methods, returning customers can complete purchases almost effortlessly—transforming the traditional checkout obstacle course into a smooth glide to completion. For WordPress site owners, this means significantly higher conversion rates and happier repeat customers.

Integrating multiple payment options

You can offer various payment methods at the checkout that are supported by Stripe.

You can expand your payment acceptance with WP Full Pay by connecting Stripe account to offer flexible payment options:

  • Traditional credit/debit card payments for those who prefer the familiar
  • Digital wallets (Apple Pay, Google Pay) for one-touch mobile convenience
  • Local payment methods through Stripe’s extensive global network
  • Secure subscription billing with protected card storage for recurring revenue

📖 You might also like to read: Stripe Payment Form Types You Can Create In WordPress

Customizing the Order Confirmation Page

WP Full Pay’s flexibility allows you to create order confirmation pages (i.e., thank you page) that do much more than just confirm orders:

  • Express genuine appreciation that resonates with your brand voice
  • Provide comprehensive order details that instill confidence
  • Suggest logical next steps or complementary products that enhance value
  • Offer frictionless account creation that captures guest purchasers while they’re engaged

FAQ: Checkout optimization questions answered

What is the ideal checkout flow?

The ideal checkout flow is the shortest path that still collects necessary information without frustrating customers. For most WordPress sites, this means 3-5 steps maximum, with clear progress indicators and the absolute minimum number of form fields.

How important is guest checkout?

Let’s put it this way: guest checkout isn’t just important—it’s essential. With 24% of shoppers abandoning carts when forced to create accounts, offering guest checkout should be your default approach. Think of account creation as a bonus opportunity, not a requirement, and always present it as an optional benefit rather than a barrier to purchase.

What is checkout completion rate and how do you improve it?

Your checkout completion rate measures the percentage of users who actually finish checking out after beginning the process. Improve it by simplifying forms, offering diverse payment options, prominently displaying security indicators, and eliminating surprise costs. Each of these elements builds confidence and removes friction—the two keys to checkout success.

How do you create the best mobile checkout experience?

The best mobile checkout experience acknowledges that thumbs aren’t precision instruments and mobile attention spans are shorter. Focus on large touch targets, minimal typing requirements (through autocomplete and saved information), seamless mobile wallet integration, and responsive designs that adapt beautifully to any screen size.

What are the essential checkout security features?

Essential checkout security features aren’t just technical safeguards—they’re trust builders. Implement SSL certificates (HTTPS), ensure PCI compliance through your payment processor (Stripe handles much of this for you), use address verification systems, implement 3D Secure authentication when appropriate, and display visible trust indicators throughout your checkout process. Remember: perceived security is almost as important as actual security when it comes to conversion rates.

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WP Full Pay - Stripe plugin for WordPress
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Accept Stripe payments on WordPress with no-code.

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