Digg’s solution for fast front end response
One of the ways that high-performance websites like Yahoo suggest speeding up load times is by reducing the number of HTTP requests per page. We started thinking about what we could do to reduce HTTP overhead, and where we could get the biggest benefits from it. Well, one thing led to another and the next thing we knew we were talking about writing a generalized framework for bundling files, sending them through a single request, then separating them for use once they head down the pipe.
We call this technique MXHR (short for Multipart XMLHttpRequests), and we wrote an addition to our Digg User Interface library called DUI.Stream to implement it. Specifically, DUI.Stream opens and reads multipart HTTP responses piece-by-piece through an XHR, passing each chunk to a JavaScript handler as it loads.
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