Answered
Auto add to cart (Error)
If you refresh the page after adding the product to the cart, then one more product will be automatically added to the cart. This can be seen even on your demo:
If you refresh the page after adding the product to the cart, then one more product will be automatically added to the cart. This can be seen even on your demo:
There is nothing wrong about that. This is a standard behavior of the browser, because the form data will be resend. Chrome is even asking you if you want to submit the form data again.