Multiple Shopify A/B tests can run at the same time when their audiences and experiences do not create harmful interactions, but the team must manage traffic, shared surfaces, and interpretation deliberately.
Map overlap before launch
Record the pages, templates, audiences, events, and scripts touched by each experiment. Two tests can interfere even when they have different names if both change the same product or cart journey.
Decide how overlap is handled
Exclude overlapping visitors, allow a planned factorial design, or accept interaction risk when the surfaces are independent. Document the rule so analysis reflects what shoppers could actually see.
Protect traffic and performance
Every audience split reduces observations per experience, and every script can add storefront cost. Limit concurrency when a test would become too slow or the combined delivery increases flicker and errors.
Coordinate business changes
Use an experiment calendar for theme releases, promotions, product drops, and campaigns. Pause or annotate tests when an external change affects a shared surface or the meaning of the result.
Run the test in Shopify
Sofcy supports URL, template, theme, and custom JavaScript API experiments.
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