I think the project templates in visual studio themselves are good functioning examples

I took it upon my self to write the simpliest possible client/server WebSharper site. The code uses Sitelet.Content to construct a Sitelet supporting the url, "/", to which responds with the text "Hello World!".

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module SimpleSite

open WebSharper.Sitelets

[<Website>]
let SimpleSitelet =
    Sitelet.Content "/" 0 (fun ctx -> Content.Text "Hello World!")

Here we treat two Sitelets as combinable values using the provided Sitelet.Folder.

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module SimpleSite

open WebSharper.Sitelets

[<Website>]
let SimpleSitelet =
    [
        Sitelet.Content ""     0 (fun ctx -> Content.Text <| (sprintf "%A" ctx).Replace(";",";<br/>") )
        Sitelet.Content "test" 1 (fun ctx -> Content.Text <| "test")
    ]
    |> Sitelet.Folder "/"

Presently I am in the throws of figuring out Client/Server communication. There doesn't seem to be a simple example manifesting this in one file. And my intuitions are so far not helping my efforts.

My current test scenario is to augment the SinglePage template name list such that newly entered names are decorated with a value retrieved from the server via remoting prior to adding it to the list. It is starting to dawn on me that this scenario requires a Sitelet server that the SinglePage template does not provide.