Checkout errors cost revenue immediately. This guide covers the common WooCommerce checkout failures on SmartXHosting stores, from blank screens to gateway declines.
Checkout blank or infinite loading • No shipping methods • Payment method missing or declining • “Sorry, your session has expired” • Tax/total calculation wrong • Order fails silently • FAQ
JavaScript error. Browser console shows it. Common causes:
Customer reaches shipping step, no options shown:
Nonce or session mismatch. Causes:
Fix: clear cookies, try incognito, exclude cart/checkout from cache.
Customer sees wrong total:
Customer clicks Place Order, page reloads without error. Causes:
WooCommerce hosting with checkout monitoring
Platform-level monitoring on SmartXHosting WooCommerce plans tests checkout end-to-end periodically. Automated paging on failures.
See WooCommerce plansQ: Test in incognito — if works there, is it my customer?
A: Likely yes. Their browser cache or extension. Share clear-cache guide.
Q: Caching plugin breaking checkout?
A: Exclude cart, checkout, my-account URLs from cache. WP Rocket, LiteSpeed Cache, W3 Total Cache all have WooCommerce exclusions built in.
Q: Abandoned cart plugin?
A: WooCommerce Cart Abandonment Recovery (free), or paid Klaviyo/Drip integrations. Email customers who abandon.
Q: Stripe webhook 400 error?
A: Signing secret mismatch or URL wrong. Regenerate secret in Stripe dashboard, paste into WooCommerce.
Q: “Error processing checkout. Please try again.”
A: Generic WooCommerce error. Enable WP_DEBUG to see specifics. Usually plugin or gateway.
Q: Can I log all checkout attempts?
A: WooCommerce Status › Logs captures gateway errors. Combine with server-level PHP error log.
Q: Peak traffic causes checkout failures.
A: PHP-FPM worker exhaustion. Upgrade plan or notify SmartXHosting for burst-capacity prep.