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Check 7 / 16 LOW impact In the full checklist

Back in stock flow automated via Klaviyo

What this check is

A customer waiting for a sold-out size or colour has already chosen the product. The back-in-stock notification is the most welcome email in ecommerce because the customer asked for it.

How to implement it

Add a notify-me capture on the sold-out variant, connect it to the inventory feed so the message fires automatically on restock, and let the subscriber know whether the wait is days or weeks. Send from the inventory event, not from a manual list.

How to verify it

Register for a notification on a sold-out variant, set its inventory above zero in the admin and confirm the email fires with the correct variant link.

All 197 checks, one Google Sheet

This page is the summary. The full checklist carries the priority, the impact score and the tool link for every check — all 197 of them, across 14 categories, as a Google Sheet and CSV with lifetime updates.

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More in Email & SMS

All 16 Email & SMS checks · All 14 categories