What is checkout conversion?

In short

Checkout conversion is the share of buyers who complete a payment out of those who started the checkout. Checkout conversion measures everything between the buy button and the confirmation page: the form, the payment methods on offer, authentication and the issuer's approval.

Also called
Checkout conversion rate, Payment conversion, Checkout completion rate
Family
Accepting payments
Facts checked

How checkout conversion is measured

The rate is completed payments divided by checkout sessions started. The useful view is a funnel: sessions started, details entered, payment submitted, authentication passed, payment approved.

Each step loses some buyers, and the losses differ by device, country and payment method. The front end has to report its own events, because authorisation data alone cannot show the buyers who never submitted.

What moves checkout conversion

  • Payment methods: the ones buyers in that country expect
  • The number of fields, and whether details can be saved or come from a wallet
  • How 3-D Secure challenges are displayed and handled
  • Declines, and whether the buyer is offered another way to pay
  • Page speed, errors and behaviour on a phone
  • Prices shown in the buyer's currency

Why checkout conversion matters

A buyer at the checkout has already decided to buy, so every point of conversion is revenue the merchant had earned. Merchants choose payment providers on this figure.

Conversion is not maximised alone. Fraud rules, authentication and address checks all cost some conversion and save losses, and a gateway gives merchants the controls to set that balance.

Checkout conversion or acceptance rate?

Acceptance rate
Counts only payments that were submitted: approvals out of attempts. Checkout conversion also counts the buyers who left before that.
Cart abandonment
Buyers who filled a basket and never started the checkout. Checkout conversion begins one step later.

Where Checkout conversion shows up in a platform

Modules that do the work

Platforms that need it

Every term

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