FiBlue:
When they are posted over a period of time, I tend to lose track of the plot and have to go back, so I prefer to read them after they are finished, or at least when several installments are ready.
I think if you are going to do it, the only way is, one, have it finished before you start posting. Second, if it is no more than 5 parts, post all at once. If more than 5, post with no more than a day or two between parts and post several at once. This means to always have something in the loading queue. I used this approach a couple of years ago with MENACE FROM MONGO. I'd load 3 chapters or so and as soon as they appeared, loaded a few more. It worked pretty well. There were cliff-hangers at ends of chapters and it was like an old Saturday morning serial anyway, so some folks came along for the ride and were with me the whole way. Your results may vary, but this is a way to do it.