How much Smile slows a Shopify store

We measured Smile on 24 Shopify ecommerce stores. This is the processing time it added on the typical store's homepage.

Heavy (300 ms to 1 second)

Smile was heavy on 17% of the stores it was measured on.

Last measured on September 25, 2026.

All apps in the index · How we measure these numbers

ShopWeight isn't affiliated with Shopify or with any app maker listed here.

How it varied from store to store

The same app can take more work on one store than on another. It depends on how the app is set up and what else loads with it.

Light (under 100 ms)	4 of 24 stores
Moderate (100 to 300 ms)	4 of 24 stores
Heavy (300 ms to 1 second)	4 of 24 stores
Very heavy (over 1 second)	12 of 24 stores

Compare Smile with other loyalty and rewards apps

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