My Shopify sales suddenly dropped to zero but my site is still online. What happened?

A sudden drop to zero sales usually means a broken post-click path, such as a Shopify app conflict breaking your Add to Cart button or shipping rates failing to load.

When traffic remains steady but sales stop completely, it is rarely a coincidence. Often, a third-party app update, a custom theme code change, or a broken payment gateway API has caused a "silent failure." Because the Shopify servers are technically online, standard uptime monitors will not alert you.

To catch this before you lose revenue, use Acumen Logs Synthetic Monitoring. You can record a test journey that clicks "Add to Cart" and navigates to the checkout screen. Acumen Logs will run this journey in a real browser on a schedule. If an app conflict blocks the button, the journey fails, and your team gets an instant Slack or email alert with a screenshot of the broken checkout.

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