Single connection mode use case

[ashwanipahal]

Hi @enisdenjo I am using single connection mode, I am able to make connection only in 5 tabs and getting status 202 Accepted but if i open another tab, request status stays pending until i close other opened tab. Can you please help me wether it is default behaviour or i am missing something.

[enisdenjo]

Hey there, SSE has a known limitation in browsers of 6 active connections per origin when served over HTTP/1.1. There's not much you can do here except use an HTTP/2 enabled server.

Warning: When not used over HTTP/2, SSE suffers from a limitation to the maximum number of open connections, which can be especially painful when opening multiple tabs, as the limit is per browser and is set to a very low number (6). The issue has been marked as "Won't fix" in Chrome and Firefox. This limit is per browser + domain, which means that you can open 6 SSE connections across all of the tabs to www.example1.com and another 6 SSE connections to www.example2.com (per Stackoverflow). When using HTTP/2, the maximum number of simultaneous HTTP streams is negotiated between the server and the client (defaults to 100).

Using server-sent events on MDN