diff --git a/.github/workflows/compressed-size.yml b/.github/workflows/compressed-size.yml
new file mode 100644
index 00000000..17eb5706
--- /dev/null
+++ b/.github/workflows/compressed-size.yml
@@ -0,0 +1,19 @@
+name: Compressed Size
+
+on: [pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v2.2.0
+      with:
+        node-version: 16.x
+    - uses: preactjs/compressed-size-action@v2
+      with:
+        repo-token: '${{ secrets.GITHUB_TOKEN }}'
+        pattern: '{dist/**/*.js,dist/**/*.css}'
+        compression: 'none'