How to Fix It
Follow these steps to ensure your Add to Cart button works correctly with Upcart:
Open the PageFly app in your Shopify admin.
Go to the Add to Cart button settings.
Find the section labeled After add to cart action.
Select the option Stay on the same page.
This ensures that customers remain on the same page and the Upcart drawer opens correctly after adding a product to the cart.
Learn More
For additional details about this setting, refer to PageFly’s documentation on configuring the Add to Cart button.