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I just tried the TODO app from the Derby home page and it is just doing xhr polling. I tested on Chrome and Safari.

The Metor and Firebase demos used both websockets.

You can turn on websockets with Derby, as it uses socket.io underneath.

Thank for clarifying. You should enable it, to demonstrate the cababilities of your framwork.

For high load push driven apps, websockets are a must. I understand that fallbacks are needed for users behind proxies etc. But if the infrastructure supports websockets, they must be used.

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