diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
new file mode 100644
index 0000000..5cbd077
--- /dev/null
+++ b/.github/workflows/checks.yml
@@ -0,0 +1,31 @@
+name: Checks
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  checks:
+    name: Node ${{ matrix.node }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      # Each release line web/package.json supports.
+      matrix:
+        node: ['22', '24', '26']
+    defaults:
+      run:
+        working-directory: web
+    steps:
+      - uses: actions/checkout@v7
+      - uses: actions/setup-node@v7
+        with:
+          node-version: ${{ matrix.node }}
+          cache: npm
+          cache-dependency-path: web/package-lock.json
+      - run: npm ci
+      - run: npm run lint
+      - run: npm run check
+      - run: npm test
+      - run: npm run build