A stress-free checkout relies on a user-friendly shopping cart with a cost-efficient payment gateway. Giving your web shop a rock-solid shopping cart, which is both enticing, easy-to-use, and versatile, is one of the best things you can do to improve conversions and maximize sales. The choice is yours–but what a choice this is! There are so many of them at any conceivable price point, that it boggles the mind. Let us introduce you to some of the best shopping carts which truly give each other a run for your money.