How do I fix my Shopify cart page when clicking “Checkout” just redirects back to the cart?

This loop occurs when your Shopify cart’s checkout form action is missing the correct /cart form target attributes, or when your background inventory checker finds products in the cart are out of stock.

“Most minor website breaks are caused by simple script conflicts, legacy code blocks, or broken API handshakes. We identify and clear these issues immediately as a straightforward, one-time fix.”
— Jeff Bollettino, Managing Director, Ignite Conversions