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Preview is how you test a rule on a real checkout without changing what regular customers see.
Setup shipping rules in minutes, preview in checkout without customer impact

Set up the rule, preview it as a tester, then publish when the checkout list is correct.

Preview rules only change shipping for testers. Regular customers never see them. Either tester match is enough.
Preview testers modal with tester email kris@shipweaver.app and customer tag shipweaver

Match by checkout email, or by a customer tagged shipweaver.

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Who counts as a tester

  • Tester email — type this email into the Email field on your store checkout. Guest checkout works. Tester email - type this email into the Email field on your store checkout. Guest checkout works.
  • Tester customer tag — in Shopify Admin ? Customers, add the shipweaver tag, then log in as that customer. Guests cannot match by tag. Tester customer tag - in Shopify Admin > Customers, add the shipweaver tag, then log in as that customer. Guests cannot match by tag.

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How to test

1

Set the rule to Preview

Create or edit the rule and choose Preview instead of Live.
2

Open checkout as a tester

Use the tester email, or log in as the tagged customer.
3

Confirm the shipping list

Preview changes appear only on that checkout.
4

Set to Live

Publish when the result is correct.
Incorrect Live hide rules can remove every shipping method and block checkout. Do not skip Preview on hide rules.
Your rules list with Live Preview and Off filters

Filter the list by Live, Preview, or Off. Preview never affects regular customers.