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Checkout issues

WooCommerce checkout failure causes infographic

When customers can't complete orders, or checkout fails after updates, plugin changes, or gateway problems.

Not a guarantee. Best-effort incident response.

Checkout failures typically occur after WordPress or WooCommerce updates, plugin conflicts, payment gateway changes, or caching issues that break session handling. These problems can prevent customers from completing purchases, causing immediate revenue loss.

Common causes include JavaScript conflicts, database session problems, payment gateway webhook failures, or validation errors that block order completion.

Common checkout problems

WooCommerce

WooCommerce checkout not working

Checkout page fails to load or process orders after updates or plugin changes.

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Processing

Checkout stuck on processing

Orders remain in processing state, payment completes but order never finalises.

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Stripe

Stripe payment succeeded but no order

Payment gateway confirms success but WooCommerce order is not created.

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PayPal

PayPal payment completed but no order

PayPal confirms payment but order record is missing in WooCommerce.

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Loading

Checkout page not loading

Checkout page returns blank screen, error, or fails to display after updates.

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Validation

Validation error / required field issues

Form validation prevents checkout completion despite valid information.

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Shipping

Shipping method disappears at checkout

Shipping options fail to display or calculate correctly during checkout.

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Webhooks

3DS / webhook issues

3D Secure authentication or payment gateway webhooks fail to process correctly.

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Rescue approach

Root-cause first

Review server logs, plugin conflicts, and payment gateway responses to identify the actual problem, not just symptoms.

Minimum safe change

Apply the smallest reliable fix needed to restore checkout functionality, minimising risk to other site features.

End-to-end testing

Test the complete flow: add to cart, proceed to checkout, complete payment, verify order creation, and confirm email notifications.

Clear explanation

Document what failed, what changed, and what to monitor. You'll understand the issue and how to prevent it recurring.

What this does not include

  • Checkout redesigns or new feature builds
  • Ongoing maintenance or SLA agreements (unless separately agreed)
  • Custom payment gateway integrations beyond fixing existing issues
  • Site-wide performance optimisation (focus is on checkout functionality)

Checkout currently failing?

Describe the issue and I'll tell you the fastest safe route to restore orders.

Contact

Response within 2 hours during business hours (UK time). Initial diagnosis provided before any work begins.