
CustomFit.ai runs no-code a/b tests and personalization on your Shopify storefront, swapping headlines, layouts, and product recommendations based on visitor behavior. Built for brands with enough traffic to test into wins instead of guessing at design changes.
What CustomFit.ai does for Shopify brands
- A/B tests on headlines, layouts & PDPs lift conversion across full-year programs
- Frequently Bought Together widgets grow cart size for buyers already checking out
- Personalized product recommendations match shoppers to higher-intent items
- Behavior-triggered upsell nudges add incremental units per order