Shopify Performance Checker

Enter your Shopify store domain for a free, instant performance audit covering caching, image delivery, scripts and resource hints.

Cache Health

Verifies Shopify's edge cache is active across homepage, collection and product pages.

Image Delivery

Checks responsive srcset, sizes, lazy loading, dimensions and hero preloading.

Script Audit

Counts third-party scripts, identifies render-blocking resources and lists external domains.

Resource Hints

Validates preconnect, preload and DNS prefetch hints for critical assets.