I was surprised that many of the "professional" web de s don't test, don't even occur to them to install other browsers, like, for example, Firefox... Which is

I was surprised that many of the "professional" web de s don't test, don't even occur to them to install other browsers, like, for example, Firefox... Which is a shame, since FF dev Tools have a quite comfy tool for testing the we page in low bandwidth environments: * https://firefox-source-docs.mozilla.org/devtools-user/network_monitor/throttling/index.html https://firefox-source-docs.mozilla.org/devtools-user/networ... (I haven't done web de for a good ten years now, yet, even I somehow know about these)