Firefox 71 will include a built-in WebSocket Inspector, a tool to inspect WebSocket connections. The tool is already available in Firefox Developer Edition 70, an experimental version of the browser.
Google does not support WebSocket connections in Googlebot. This was first known, I think, back in May 2019, when Martin Splitt and Zoe Clifford presented at Google I/O. Zoe Clifford said there ...
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