Which versions of node.js are available on Azure Web Sites?

  1. Open Advanced Tools (Kudu):

    enter image description here

  2. In Kudu, click on Runtime versions:

    enter image description here

At the time of writing (August 2017), you'll see something like this:

{
  "nodejs": [
    {
      "version": "0.10.18",
      "npm": "1.4.28"
    },
    {
      "version": "0.10.21",
      "npm": "1.3.11"
    },
    {
      "version": "0.10.24",
      "npm": "1.4.28"
    },
    {
      "version": "0.10.26",
      "npm": "1.4.28"
    },
    {
      "version": "0.10.28",
      "npm": "1.4.9"
    },
    {
      "version": "0.10.29",
      "npm": "1.4.10"
    },
    {
      "version": "0.10.31",
      "npm": "1.4.28"
    },
    {
      "version": "0.10.32",
      "npm": "1.4.28"
    },
    {
      "version": "0.10.40",
      "npm": "1.4.28"
    },
    {
      "version": "0.10.5",
      "npm": "1.2.18"
    },
    {
      "version": "0.12.0",
      "npm": "2.11.2"
    },
    {
      "version": "0.12.2",
      "npm": "2.11.2"
    },
    {
      "version": "0.12.3",
      "npm": "2.11.2"
    },
    {
      "version": "0.12.6",
      "npm": "2.11.2"
    },
    {
      "version": "0.6.20",
      "npm": "1.1.37"
    },
    {
      "version": "0.8.19",
      "npm": "1.2.30"
    },
    {
      "version": "0.8.2",
      "npm": "1.1.36"
    },
    {
      "version": "0.8.26",
      "npm": "1.2.30"
    },
    {
      "version": "0.8.27",
      "npm": "1.2.30"
    },
    {
      "version": "0.8.28",
      "npm": "1.2.30"
    },
    {
      "version": "4.0.0",
      "npm": "2.14.2"
    },
    {
      "version": "4.1.0",
      "npm": "2.14.4"
    },
    {
      "version": "4.1.2",
      "npm": "2.14.4"
    },
    {
      "version": "4.2.1",
      "npm": "3.3.9"
    },
    {
      "version": "4.2.2",
      "npm": "3.3.12"
    },
    {
      "version": "4.2.3",
      "npm": "3.5.1"
    },
    {
      "version": "4.2.4",
      "npm": "2.14.12"
    },
    {
      "version": "4.3.0",
      "npm": "2.14.12"
    },
    {
      "version": "4.3.2",
      "npm": "2.14.12"
    },
    {
      "version": "4.4.0",
      "npm": "2.15.8"
    },
    {
      "version": "4.4.1",
      "npm": "2.15.8"
    },
    {
      "version": "4.4.6",
      "npm": "2.15.8"
    },
    {
      "version": "4.4.7",
      "npm": "2.15.8"
    },
    {
      "version": "4.5.0",
      "npm": "2.15.9"
    },
    {
      "version": "4.6.0",
      "npm": "2.15.9"
    },
    {
      "version": "4.6.1",
      "npm": "2.15.9"
    },
    {
      "version": "4.8.4",
      "npm": "2.15.11"
    },
    {
      "version": "5.0.0",
      "npm": "3.3.9"
    },
    {
      "version": "5.1.1",
      "npm": "3.3.12"
    },
    {
      "version": "5.3.0",
      "npm": "3.3.12"
    },
    {
      "version": "5.4.0",
      "npm": "3.3.12"
    },
    {
      "version": "5.5.0",
      "npm": "3.3.12"
    },
    {
      "version": "5.6.0",
      "npm": "3.6.0"
    },
    {
      "version": "5.7.0",
      "npm": "3.6.0"
    },
    {
      "version": "5.7.1",
      "npm": "3.6.0"
    },
    {
      "version": "5.8.0",
      "npm": "3.7.3"
    },
    {
      "version": "5.9.1",
      "npm": "3.7.3"
    },
    {
      "version": "6.0.0",
      "npm": "3.8.6"
    },
    {
      "version": "6.1.0",
      "npm": "3.8.6"
    },
    {
      "version": "6.10.0",
      "npm": "3.10.10"
    },
    {
      "version": "6.11.1",
      "npm": "3.10.10"
    },
    {
      "version": "6.2.2",
      "npm": "3.9.5"
    },
    {
      "version": "6.3.0",
      "npm": "3.10.3"
    },
    {
      "version": "6.5.0",
      "npm": "3.10.3"
    },
    {
      "version": "6.6.0",
      "npm": "3.10.3"
    },
    {
      "version": "6.7.0",
      "npm": "3.10.3"
    },
    {
      "version": "6.9.0",
      "npm": "3.10.8"
    },
    {
      "version": "6.9.1",
      "npm": "3.10.8"
    },
    {
      "version": "6.9.2",
      "npm": "3.10.9"
    },
    {
      "version": "6.9.4",
      "npm": "3.10.10"
    },
    {
      "version": "6.9.5",
      "npm": "3.10.10"
    },
    {
      "version": "7.0.0",
      "npm": "3.10.8"
    },
    {
      "version": "7.1.0",
      "npm": "3.10.9"
    },
    {
      "version": "7.10.0",
      "npm": "4.2.0"
    },
    {
      "version": "7.10.1",
      "npm": "4.2.0"
    },
    {
      "version": "7.2.0",
      "npm": "3.10.9"
    },
    {
      "version": "7.3.0",
      "npm": "3.10.10"
    },
    {
      "version": "7.4.0",
      "npm": "4.0.5"
    },
    {
      "version": "7.5.0",
      "npm": "4.1.2"
    },
    {
      "version": "7.6.0",
      "npm": "4.1.2"
    },
    {
      "version": "7.7.4",
      "npm": "4.1.2"
    },
    {
      "version": "8.0.0",
      "npm": "5.0.0"
    },
    {
      "version": "8.1.4",
      "npm": "5.0.3"
    }
  ]
}

Credit goes to this blog post and this answer for showing me how to do it.


Using the Azure CLI is easiest:

az webapp list-runtimes

returns:

[
  "aspnet|v4.7",
  "aspnet|v3.5",
  "node|0.6",
  "node|0.8",
  "node|0.10",
  "node|0.12",
  "node|4.8",
  "node|6.12",
  "node|7.10",
  "node|8.4",
  "node|8.5",
  "node|8.9",
  "node|8.10",
  "node|8.11",
  "node|10.0",
  "node|10.6",
  "php|5.6",
  "php|7.0",
  "php|7.1",
  "php|7.2",
  "python|2.7",
  "python|3.4",
  "java|1.7|Tomcat|7.0",
  "java|1.7|Tomcat|8.0",
  "java|1.7|Tomcat|8.5",
  "java|1.7|Tomcat|9.0",
  "java|1.7|Jetty|9.1",
  "java|1.7|Jetty|9.3",
  "java|1.8|Tomcat|7.0",
  "java|1.8|Tomcat|8.0",
  "java|1.8|Tomcat|8.5",
  "java|1.8|Tomcat|9.0",
  "java|1.8|Jetty|9.1",
  "java|1.8|Jetty|9.3"
]

Available WEBSITE_NODE_DEFAULT_VERSION options can found here:

https://[your app name].scm.azurewebsites.net/api/diagnostics/runtime

For more details check How to find available node.js versions for Windows Webapps.