One-page checkout (OPC) is a checkout process where the customer's details, delivery choice and payment all sit on a single page — without stepping through successive cart screens. In theory it sounds like an obvious conversion win; in practice Polish stores report mixed experiences: some customers prefer the classic multi-page process, and a badly executed OPC can increase abandonment. The good news: since PrestaShop 9.2 OPC is available natively and can be switched on with one setting — and older versions use proven modules or theme modifications. Implementation costs from 0 PLN (PS 9.2) to 3,000 PLN net (a module or a custom modification with testing).
Najważniejsze: One-page checkout in PrestaShop: natively available from version 9.2 (Design > Checkout, with a switch back to the classic process), in older versions through modules or modifications (500–3,000 PLN net). OPC shortens the purchase path and helps on mobile, but it is not a cure-all — what matters is testing on real traffic, validation error handling and full legal compliance (confirmations, withdrawal, Omnibus). A middle path: a checkout simplified to 2–3 steps.
OPC, express checkout or classic checkout?
Three approaches to the same problem: how not to lose customers at the last step.
- Classic checkout (4–5 steps) — familiar and comfortable, gives a sense of control; the downside is length, especially on mobile.
- One-page checkout — everything on one page: details, delivery, payment. Faster, but it requires an excellent design and live field validation.
- Express checkout — shortcuts within any process: "Buy Now", one-click payments, saved methods. Details in express checkout in PrestaShop.
In practice, the best results come from a combination: a simplified process plus express methods for returning customers. It is also worth noting market voices: some stores return to a 2–3-step checkout after OPC tests, because customers "get lost" on an overly dense page — so the decision is made on data, not opinions.
When OPC works and when it hurts
OPC wins where the order is simple and fast.
- Mobile — on smartphones a single column of fields beats scrolling through several steps.
- Returning customers — details fill in automatically; only delivery and payment remain.
- Short baskets (1–3 products) — fewer elements to consider, a quick decision.
- Stores with simple logistics — one or two delivery methods, clear costs.
OPC hurts when
- the form is overloaded (VAT number, company fields, comments, coupons on top) — the customer sees a "wall" and leaves;
- field validation only runs server-side after clicking "Order" — errors surface too late;
- the store offers many delivery methods with dependent costs — dependencies are harder to show on one page;
- the theme is not adapted — "gluing" steps into one view without redesigning ends in chaos.
PrestaShop 9.2 — native one-page checkout
Since 9.2 PrestaShop has a native OPC: enabled in the back office (Design > Checkout), with appearance customisable in the theme. This is a market shift: stores on 9.x no longer need external modules, and switching between the one-page and classic layouts is configuration, not implementation.
What it means in practice
- Test on a store copy — native OPC changes the checkout foundation; updating from 8.x to 9.2 requires checking every module touching the cart.
- Check module compatibility — payment gateways, shipping modules and extra fields (e.g. a VAT number) must work in the new layout.
- Measure before and after — conversion, abandonment, order time; on production with real traffic, not on opinions.
Stores on 1.7/8.x can use OPC modules from the marketplace (including the official One Page Checkout module, and Polish vendor modules) or theme modifications — on customisation techniques see PrestaShop modules and customisations.
Implementing OPC in older PrestaShop versions
- Audit the current checkout — session recordings and abandonment statistics show where you really lose customers.
- Choose a module — compatible with your version (1.6/1.7/8.x), with reviews and updates; check how it works with your payment gateway.
- Deploy on a copy — installation, field configuration (minimalism!), validation.
- Integrate gateways and shipping — the most common problem source: the P24 module, InPost and cost calculators must work in the OPC layout.
- Legal fields and communication — consents, withdrawal confirmation, delivery information — must remain complete despite the shortened path.
- End-to-end tests and measurement — test orders with every method, then compare metrics before/after.
How much does OPC cost?
| Variant | Cost (net) |
|---|---|
| PrestaShop 9.2 — native OPC | 0 PLN (panel configuration) |
| OPC module for older versions | 300–800 PLN one-off |
| Module implementation and configuration | 300–1,000 PLN |
| Custom checkout (design + implementation) | 2,000–6,000 PLN |
| Audit and optimisation of the whole purchase process | 1,000–3,000 PLN |
If the problem is speed rather than layout, start with PrestaShop performance optimisation — OPC will not save a slow checkout.
Frequently asked questions
Does one-page checkout increase conversion?
In most stores yes, but not always — it depends on the assortment, devices and implementation quality. The biggest gains appear on mobile and with short baskets. Some stores choose a checkout simplified to 2–3 steps after testing, because it reads better with complex delivery options.
Does PrestaShop 9.2 have native OPC?
Yes — PrestaShop 9.2 introduced a native one-page checkout. It is enabled in the back office (Design > Checkout) and you can switch back to the classic layout. For stores on 9.x it is the safest route; older versions need a module or modification.
Is OPC legally compliant?
Yes, if all obligations are kept: marketing and cookie consents, withdrawal information, order confirmation by email, seller details and delivery costs. Shortening the path does not remove information duties — watch this during design.
What about customers who prefer the classic checkout?
Leave the choice — some customers prefer steps (cart → details → delivery → payment). In PrestaShop 9.2 you switch the layout in configuration; in older versions you can maintain both variants or introduce OPC for selected groups (e.g. mobile only).
Can an OPC module conflict with payments?
Yes — payment gateways and shipping modules touching the cart are the most common conflict source. Before implementing, check whether your OPC module is tested with the gateways you use (Przelewy24, PayU) and your carriers: Przelewy24 in PrestaShop, InPost in PrestaShop.
How long does OPC take to implement?
Native OPC in 9.2 is configuration and testing — 1–2 days. A module for an older version: 2–5 days with testing. A custom checkout with design: 2–4 weeks. Validation and error scenarios take the longest to polish.
Sources and tools
- PrestaShop Build — One Page Checkout in PrestaShop 9.2
- PrestaShop Addons — one page checkout modules
- PrestaShop DevDocs — checkout documentation
- Baymard Institute — checkout and abandonment research
- web.dev — mobile performance
👉 Want to simplify the checkout in your store? See how PrestaShop store development works in my offer: purchase process audit, one-page checkout, express checkout and payment integrations. Get in touch via the contact form or at kontakt@informatix.com.pl.
👉 Optimising the purchase path? Check express checkout in PrestaShop, PrestaShop performance optimisation and Przelewy24 in PrestaShop.
📖 See also: PrestaShop online store, PrestaShop API and e-commerce store development.