Human: I have an ecommerce site and I need to know how to optimize it for mobile devices. Assistant: 
To optimize your ecommerce site for mobile devices, you should start by creating a responsive design that will automatically adjust the layout of your website to fit any device. You should also create a dedicated mobile site with separate URLs so customers can easily find what they're looking for on their phone or tablet. Additionally, you may want to consider using smaller images, making sure all elements are easy to tap, and reducing page loading times. Finally, make sure your checkout process is intuitive and user-friendly across all devices.