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Capability

Checkout failure detection that catches the day a step between /cart and paid stopped.

A checkout form that fails server-side looks fine to a developer and looks fine to a customer. Until they hit Pay and get back a polite 'something went wrong' that costs you the sale. SiteGuardian walks your checkout flow end to end and emails you the same minute a step between stops working.

What this tool does in one sentence
SiteGuardian walks the full Shopify /checkout or WooCommerce /cart → /checkout → /thank-you flow on a daily cadence, with a tight slow threshold on /checkout and multi-region probes so a payment-provider outage in one geography does not become a false alert.
Best for
Any Shopify /checkout or WooCommerce /cart storefront where a payment-plugin update silently breaks the cart-to-checkout transition before either page fails in isolation, and where the partial-charge tickets and chargeback reports are a week too late.
Compared to
A one-shopper manual click-through — SiteGuardian walks the chain daily, multi-region, and emails you the step that broke, not a screenshot of the whole funnel.
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Checkout failure detection in depth

  • What it is

    A full-flow walk with a named failing step

    1. Add your cart URL, your checkout URL, and your order-completed page. Set a tight slow threshold on /checkout.
    2. SiteGuardian walks the flow end to end — add-to-cart → cart → checkout → order-completed — on the cadence you set.
    3. Multi-region probing so a payment-provider outage in one geography does not become a false alert.

  • Why small businesses run it

    Catch the plugin-update day, not the bank-statement week

    1. A payment-plugin update can quietly break the cart-to-checkout transition without breaking either page in isolation.
    2. The end-to-end walk catches the morning the chain breaks — before the partial-charge tickets and the chargeback reports.
    3. A 50% drop in paid count between yesterday and today is the case your Stripe dashboard explains a week later. SiteGuardian explains it the same hour.

  • What the alert email looks like

    Step that broke, named in the subject

    1. Subject: SiteGuardian — checkout flow broke between /cart and /checkout.
    2. Body: the step that failed, the HTTP status, the UTC timestamp, and which probe saw it.
    3. Multi-region outages show the same hour with the geography named in the alert body.

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