Does Regios Discounts Affect Site Speed?
We sometimes get asked if our app slows down storefronts. Here’s what you need to know:
Cart & Checkout Discounts
These use Shopify’s Discount Functions API and run entirely on Shopify’s servers.
✅ No impact on your store’s page load speed
✅ Shopify enforces strict performance limits and timeouts
Product Page Discounts & Auto Add to Cart
These features do use JavaScript to update the storefront experience.
- JS is loaded asynchronously and does not block rendering
- There’s no effect on initial page load
- Features won’t work until the JS finishes loading
👀 Why not use Liquid instead? Read this article
Current and Planned Optimizations
- We’ve already reduced JS bundle size substantially
- We're planning to consolidate code further to reduce the size of individual extensions.
🧠 Want updates? Follow this thread
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Updated on: 13/06/2026
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