diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..052375a
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,31 @@
+name: Verify page formatting
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Install Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.11
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Verify header
+        run: |
+          python ./utilities.py/header.py
diff --git a/utilities.py/header.py b/utilities.py/header.py
new file mode 100644
index 0000000..5a08935
--- /dev/null
+++ b/utilities.py/header.py
@@ -0,0 +1,33 @@
+"""ensure all headers have the same format"""
+
+import os
+import re
+
+# test for two <a tags (for header and rss feed)
+# <header>
+#       <a href="./">
+#         <h1>alifeee's blog</h1>
+#       </a>
+#       <a id="rss" href="./feed.xml">
+#         <img alt="_RSS_" src="./icons/rss.svg" />
+#       </a>
+#     </header>
+
+HEADER_REGEX = r"<header>[.\n\s\S]*<a[.\n\s\S]*<a[.\n\s\S]*<\/header>"
+
+
+def get_all_html_files():
+    """get all html files recursively"""
+    html_files = []
+    for root, _, files in os.walk("."):
+        for foile in files:
+            if foile.endswith(".html"):
+                html_files.append(os.path.join(root, foile))
+    return html_files
+
+
+for file in get_all_html_files():
+    with open(file, "r", encoding="utf-8") as f:
+        content = f.read()
+        if not re.search(HEADER_REGEX, content):
+            raise AssertionError(f"Header not found in {file}")