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Smile is designed to have minimal impact on storefront performance. Smile loads its storefront assets independently of your main page content and minimizes work that blocks the initial page load. While every app added to a storefront has some impact, Smile is designed to keep that impact as small as possible.

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Why the Smile Launcher appears after the page loads

The Smile Launcher loads after your storefront’s main content as part of Smile’s performance optimization. This helps minimize the impact on storefront performance by avoiding work that blocks the initial page load.

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Shopify certifications

Smile is both Built for Shopify and a Shopify Plus Certified App Partner. As part of the Built for Shopify review process, Shopify measures an app’s impact on storefront performance. To qualify, apps must meet Shopify’s performance standards, including not reducing a storefront’s Lighthouse Performance score by more than 10 points. Smile meets these requirements. We continuously monitor storefront performance to maintain these certifications and ensure Smile continues to have minimal impact on storefront performance.