I am using an industrial interface controller that contains real time data such as flow rates and pressures. I am new to web development and this interface is also a web server. I am able to display the data using SSI and CGI commands in the web pages I create on the server. I'm using commands like: "Flow Rate = <!--#exec cgi="/get_device.fn D101"--> GPM" but the only way I've been able to display updated data is to do an auto-refresh of the page. Very inefficient. Is there a more efficient way I can display this data as a real time component?
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