Firefox DevTools team announced a new WebSocket inspection featureThe Firefox DevTools team announced a new WebSocket (WS) inspection feature as part of its improvements for Firefox 70.

A simple full-stack JavaScript application lets you see what happens under the hood in the WebSockets communication protocol.

Web developers typically depend on Ajax long-polling for instantaneous data in the browser, but today's version of WebSockets would do that job (and a few more) even better.