[knappador]

Shipping with the API calls pre-loaded helps unless you need to fetch additional view code. There's a lot more potential usually for multiple round trips than just API calls. Iso JS frameworks seek to solve the whole range of problems and provide structure for clean implementation. They're greatly aided by the portability of JS. Injecting local-fetched API results as JSON into the page solves one of many potential causes for multiple RTT on fat clients.