diff --git a/.github/workflows/check-links.yml b/.github/workflows/check-links.yml
new file mode 100644
index 00000000000..057893c46e7
--- /dev/null
+++ b/.github/workflows/check-links.yml
@@ -0,0 +1,21 @@
+name: Check all links on website are valid
+
+on: [push, pull_request, workflow_dispatch]
+
+jobs:
+  check-links:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Set up repository
+        uses: actions/checkout@main
+      - name: Set up PATH
+        run: echo "$HOME/.gem/ruby/2.7.0/bin" >> $GITHUB_PATH
+      - name: Set up server dependencies
+        working-directory: ${{ github.workspace }}/docs
+        run: gem install --user-install bundler && bundle install
+      - name: Set up checker dependencies
+        working-directory: ${{ github.workspace }}/cli-test/linkchecker
+        run: npm install
+      - name: Set up server and check all links are valid
+        working-directory: ${{ github.workspace }}/cli-test/linkchecker
+        run: python serve-and-check.py
diff --git a/cli-test/linkchecker/.gitignore b/cli-test/linkchecker/.gitignore
new file mode 100644
index 00000000000..3c3629e647f
--- /dev/null
+++ b/cli-test/linkchecker/.gitignore
@@ -0,0 +1 @@
+node_modules
diff --git a/cli-test/linkchecker/check-links.js b/cli-test/linkchecker/check-links.js
new file mode 100644
index 00000000000..8881c13f073
--- /dev/null
+++ b/cli-test/linkchecker/check-links.js
@@ -0,0 +1,49 @@
+// Adapted from https://github.com/w3c/node-linkchecker
+import { check } from "node-linkchecker";
+const options = {
+  schemes: ["http:"], // Do not check external links to prevent rate-limiting
+  userAgent:
+    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36",
+  fragments: true,
+};
+
+const HOST = process.env.HOST ?? "http://localhost:4000";
+const PATHS_TO_CHECK = [
+  // Basic
+  "/",
+  "/UserGuide.html",
+  "/DeveloperGuide.html",
+  // Other Pages
+  "/AboutUs.html",
+  "/Configuration.html",
+  "/DevOps.html",
+  "/Documentation.html",
+  "/Logging.html",
+  "/SettingUp.html",
+  "/Testing.html",
+  // PPP
+  "/team/bryanljx.html",
+  "/team/eugenetanwl3881.html",
+  "/team/ferusel.html",
+  "/team/richdom2185.html",
+  "/team/yixiann.html",
+];
+
+const links = new Set();
+const fragments = new Set();
+for (const path of PATHS_TO_CHECK) {
+  console.log("Checking URL: " + HOST + path);
+  const { brokenLinks, brokenFragments } = await check(HOST + path, options);
+  brokenLinks.forEach(({ link }) => links.add(link));
+  brokenFragments.forEach(({ link }) => fragments.add(link));
+}
+if (links.size > 0) {
+  process.stderr.write("Broken Links: ");
+  console.error(links);
+  process.exitCode = 1;
+}
+if (fragments.size > 0) {
+  process.stderr.write("Broken Fragments: ");
+  console.error(fragments);
+  process.exitCode = 1;
+}
diff --git a/cli-test/linkchecker/package-lock.json b/cli-test/linkchecker/package-lock.json
new file mode 100644
index 00000000000..6c71d110b3f
--- /dev/null
+++ b/cli-test/linkchecker/package-lock.json
@@ -0,0 +1,698 @@
+{
+  "name": "linkchecker",
+  "version": "1.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "linkchecker",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "node-linkchecker": "^0.0.3"
+      }
+    },
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+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
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+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/ansi-styles": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
+      "integrity": "sha512-kmCevFghRiWM7HB5zTPULl4r9bVFSWjz62MhqizDGUrq2NWuNMQyuv4tHHoKJHs69M/MF64lEcHdYIocrdWQYA==",
+      "engines": {
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+      }
+    },
+    "node_modules/asap": {
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+      "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
+      "integrity": "sha512-BSHWgDSAiKs50o2Re8ppvp3seVHXSRM44cdSsT9FfNEUUZLOGWVCsiWaRPWM1Znn+mqZ1OfVZ3z3DWEzSp7hRA=="
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+    "node_modules/async": {
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+      "integrity": "sha512-nSVgobk4rv61R9PUSDtYt7mPVB2olxNR5RWJcAsH676/ef11bUZwvu7+RGYrYauVdDPcO519v68wRhXQtxsV9w=="
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+        "readable-stream": "1.0.27-1",
+        "reduce-component": "1.0.1"
+      }
+    },
+    "supports-color": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+      "integrity": "sha512-KKNVtd6pCYgPIKU4cp2733HWYCpplQhddZLBUryaAHou723x+FRzQ5Df824Fj+IyyuiQTRoub4SnIFfIcrp70g=="
+    },
+    "whacko": {
+      "version": "0.19.1",
+      "resolved": "https://registry.npmjs.org/whacko/-/whacko-0.19.1.tgz",
+      "integrity": "sha512-OnO3ZX6wIC21GASyIl6ZcVYhu+BaIcaGNtads+O9U/gFqQ4dkUrpauAb3WMSWFK+2qzDfxEXnOxBqQnS1/NrXQ==",
+      "requires": {
+        "css-select": "^1.2.0",
+        "domutils": "1.5",
+        "lodash": "^3.10.1",
+        "parse5": "^1.4.2"
+      }
+    }
+  }
+}
diff --git a/cli-test/linkchecker/package.json b/cli-test/linkchecker/package.json
new file mode 100644
index 00000000000..0770ca7b896
--- /dev/null
+++ b/cli-test/linkchecker/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "linkchecker",
+  "version": "1.0.0",
+  "description": "",
+  "main": "check-links.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "type": "module",
+  "author": "Richard Dominick",
+  "license": "ISC",
+  "dependencies": {
+    "node-linkchecker": "^0.0.3"
+  }
+}
diff --git a/cli-test/linkchecker/serve-and-check.py b/cli-test/linkchecker/serve-and-check.py
new file mode 100644
index 00000000000..97aa1580352
--- /dev/null
+++ b/cli-test/linkchecker/serve-and-check.py
@@ -0,0 +1,20 @@
+#!/usr/bin/python3
+import asyncio
+import os
+import subprocess
+import sys
+import time
+
+# FIXME: Hacky global variable
+exitstatus = 0
+
+async def main():
+    global exitstatus
+    exitstatus = os.WEXITSTATUS(os.system("node check-links.js"))
+
+if __name__ == '__main__':
+    with subprocess.Popen(['bundle', 'exec', 'jekyll serve'], cwd='../../docs') as p:
+        time.sleep(10.0)
+        asyncio.get_event_loop().run_until_complete(main())
+        p.kill()
+    sys.exit(exitstatus)