Knowledge base — Definition
Checkout Process
What an eCommerce checkout process involves, from cart review to order confirmation, and how to make each step fast, clear and accessible.
What Is a Checkout Process?
The checkout process is the sequence of steps an online shopper completes to turn the contents of their cart into a paid order: providing contact details, choosing delivery, entering payment and confirming the purchase. It begins when the shopper leaves the shopping cart and ends at the order confirmation page and email.
Checkouts come in two broad shapes. A single-page checkout shows all sections on one screen, while a multi-step checkout splits them across pages with a progress indicator. Neither is universally better; what matters is that each field is necessary, costs are clear before payment, and the flow works with autofill, digital wallets and assistive technology. In WooCommerce, stores can use the block-based Checkout or the classic shortcode checkout, which differ in how they can be customized and extended.
Why the Checkout Process Matters
The checkout is where intent becomes revenue, and where small problems have the biggest cost.
- Conversion: Friction here, such as an extra field, a confusing error or a slow payment step, causes cart abandonment among people who had already decided to buy.
- Trust: Shoppers judge whether to hand over payment and personal details based on how clear and professional this step feels.
- Accessibility: WCAG 2.2 includes criteria aimed squarely at forms like checkouts, such as not making people re-enter information they already provided and not relying on memory tests to log in.
- Data quality: Accurate addresses and contact details reduce failed deliveries and customer service work.
- Legal and tax accuracy: Canadian sales tax varies by province, so the checkout must calculate GST, HST or PST correctly from the shipping address.
Key Steps in the Checkout Process
- Contact and account: Email first, with guest checkout as the default and an optional account created after purchase.
- Shipping address: Address autocomplete, a postal code format that accepts Canadian and international formats, and a "billing same as shipping" option.
- Delivery method: Shipping options with prices and realistic delivery dates, plus local pickup where it applies.
- Order summary: Items, quantities, taxes, shipping, discounts and the final total, visible before payment.
- Payment: Card fields from your payment gateway, digital wallets such as Apple Pay and Google Pay, and any alternative methods you offer.
- Confirmation: A confirmation page and email with the order number, summary, delivery expectations and how to get help.
Common Checkout Process Mistakes
- Requiring an account: Forcing registration before a first purchase adds a password step most shoppers do not want.
- Asking for unnecessary data: Phone numbers, company names or birthdates that are not needed to fulfil the order add friction and privacy exposure under PIPEDA.
- Unclear validation errors: Errors that appear only after submitting, are shown only in colour, or clear the form leave shoppers stuck.
- Breaking autofill: Missing or incorrect
autocompleteattributes stop browsers and password managers filling names, addresses and cards. - Loading too much on the page: Marketing pop-ups, chat widgets and tracking scripts slow the checkout and add PCI risk on the payment step.
Best Practices for the Checkout Process
- Show the full cost early: Give a shipping and tax estimate before checkout, and never introduce a new fee on the last step.
- Design for thumbs and autofill: Use single-column layouts, correct input types for email, phone and postal code, and large tap targets.
- Write helpful inline errors: Validate fields as people go, explain how to fix the problem in text, and keep everything they have already entered.
- Keep payment data off your server: Use the gateway's hosted fields to protect customers and simplify PCI compliance.
- Test the whole flow regularly: Place real test orders on phones and desktops, with a keyboard and a screen reader, after every plugin or theme update.
- Consider bilingual needs: If you sell into Quebec, plan for French-language checkout content and emails.
Checkout Process at PerfectPixels
We design and build checkouts for WooCommerce and custom stores, trimming fields, configuring Canadian tax and shipping rules, integrating wallets and gateways, and testing against WCAG 2.2 AA. For clients with unusual requirements, such as B2B purchase orders, appointment booking or custom pricing, we build tailored checkout logic through our eCommerce and custom plugin services.
Frequently Asked Questions
Is a one-page checkout better than a multi-step checkout?
Not automatically. One-page checkouts reduce page loads, while multi-step checkouts can feel less overwhelming on mobile and make errors easier to locate. Choose based on how many fields you truly need, then test with your own customers.
Should I offer guest checkout?
In almost all cases, yes. Let first-time customers buy without an account, then offer to save their details on the confirmation page. Accounts are worth promoting for repeat buyers, subscriptions or order tracking, but should not block a first purchase.
How should my checkout handle Canadian sales tax?
Tax should be calculated from the shipping destination, because GST, HST and PST rates differ by province. Show tax as a separate line before payment, and have your accountant confirm the rules that apply to your products and registration status.
Related Resources
Further reading: Checkout usability research — Baymard Institute.