I want to play around with the new Lightning Web Component announced earlier today. I have Node.JS downloaded and I'm running a local server, but I'm unable to see anything at the address ''

/LWC server

Does anyone know what the path name is? I dug around in documentation, but don't see anything on the github page/sf documentation.



  • I'd guess there is some config missing because you'd generally see one of "localhost", "" or your machine's currently allocated IP address for local servers... NB: this is a general comment, I haven't tried this with lwc.dev myself.
    – Phil W
    Jun 28, 2019 at 6:20
  • @muenzpraeger is on holiday today. If no one else helps you out, I'm sure he can by Monday.
    – pchittum
    Jun 28, 2019 at 10:13

1 Answer 1


The webpack devserver defaults to the special IP Mask in the lwc-create-app default config which is kind of a placeholder for all IPv4 addresses assigned to the machine but its not routeable in the sense of accessing it directly

As stated by Phil you could either use or http://localhost:3001/ to access the server which represents the loopback address to your local machine

  • That was it, thank you!
    – MPStimpson
    Jun 28, 2019 at 14:12

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