> If client side needs to be updated about the state of the background task, the best is to send the data to a websocket channel known to the client side.

SSE is nice.

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revicon 3 days ago | parent | next [-]

Right up until your user opens your site in more than 6 tabs.

	▲	robertlagrant 2 days ago \| parent [-]
		And then you need http2.

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Oxodao 2 days ago | parent | prev [-]

(especially the Mercure protocol which makes stuff so simple)