How to cache and store shopify cart items?

@denis 

There are several ways to cache and store Shopify cart items to improve performance and user experience. Here are some common methods:

1. Use local storage: You can use the browser's local storage feature to store cart items temporarily on the user's device. This allows you to quickly access and display the cart items without having to make repeated requests to the server.
2. Use cookies: Another option is to store cart items in cookies, which are small pieces of data stored on the user's device. This allows you to persist cart items across sessions and maintain the cart state even if the user closes the browser.
3. Use a third-party caching service: You can use a third-party service like Redis or Memcache to cache cart items on the server-side. This can help improve performance by reducing the time it takes to retrieve and display cart items.
4. Use Shopify's APIs: Shopify provides APIs that allow you to store and retrieve cart items using their platform. You can use these APIs to manage and store cart items in a secure and efficient manner.

Overall, the best approach will depend on your specific requirements and technical capabilities. It's important to consider factors such as scalability, security, and performance when implementing a caching and storage solution for Shopify cart items.