Rebuy is a personalization platform for Shopify — product recommendations, post-purchase upsells, smart carts, and AI-driven cross-sells. StoreVitals audits the performance and SEO impact of personalization widgets and monitors the rest of the store. Complementary tools.
Rebuy drives revenue through personalization; StoreVitals ensures the technical foundation that revenue depends on. Personalization engines are powerful but heavy — they're one of the most common causes of LCP regression in Shopify stores. Stores running Rebuy without performance monitoring frequently discover months later that the AOV gain from personalization is being partially offset by a 200-400ms LCP increase that's suppressing organic traffic. Pair Rebuy with StoreVitals to capture the AOV upside without paying a hidden performance tax.