When you proceed to check out it opens in a new tab and I don’t want this to happened any ideas?
href="https://swade-2.myshopify.com/cart/{{wf {"path":"product-id","type":"Number"\} }}:1" target="_self">Buy DEEP SKY BLUE SUEDE CAP</a></noscript>
It should be the Shopify settings. I don’t think you will be able to change it. Unless you will learn all their API and find out how to change it. I am sorry