Not sure what mojo is or how useful this is to what you're working on, but SSE might be something to look into. 
#!/usr/bin/perl --
print "Content-Type: text/event-stream\n\n";
while(true){
  print "event: server-time\n";
  $num++;
  print "data: $num\n\n";
}

[download]
generates an SSE stream. 
<!DOCTYPE HTML>
<html>
<head>
<title>Server-Side Event</title>
<script type="text/javascript">
function invokeSSE(){

var source = new EventSource('http://localhost/sse.pl');
source.addEventListener('server-time', function(e) {
document.getElementById('ticker').innerHTML = e.data + '<br>';
}, false);


source.addEventListener('open', function(e) {
//Connection Open
}, false);
source.addEventListener('error', function(e) {
if (e.readyState == EventSource.CLOSED) {
alert("Connection closed");
}
}, false);
}
</script>
</head>
<body onload="invokeSSE()">
<div id="ticker" name="ticker">
  [TIME]
</div>
</body>
</html>

[download]
is a page to listen to SSE streams.

In reply to Re^2: Providing feedback to Web GUI (Mojolicious) by Anonymous Monk
in thread Providing feedback to Web GUI (Mojolicious) by Endless

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