Building Interactivity with Websockets

The time of static or dynamically generated sites is long gone. Non-stop interaction with users is the new normal. However, polling with Ajax requests is processor intensive and cumbersome. Websockets allow you to interact with users in real time without increasing system load. We'll go through the basics and see all the different options, illustrated with live examples of how and when to use it, as well as when not to use it. Websockets are the new way of providing live interactivity with users, in many cases replacing the need for Ajax requests alltogether. This relatively new technology isn't always as straightforward as it may seem though, as will be demonstrated in several examples.

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