diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index ca3a7307b..cb8e5e217 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -15,11 +15,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source
-        uses: actions/checkout@v6
+        uses: actions/checkout@v4
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 3.2
+          bundler-cache: true
       - name: Install dependencies
         run: |
             gem install bundler
diff --git a/.github/workflows/lighthouse.yml b/.github/workflows/lighthouse.yml
new file mode 100644
index 000000000..204bc2368
--- /dev/null
+++ b/.github/workflows/lighthouse.yml
@@ -0,0 +1,32 @@
+name: Lighthouse CI
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  lighthouse:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2'
+          bundler-cache: true
+
+      - name: Build Jekyll Site
+        run: |
+          gem install bundler
+          bundle install
+          bundle exec jekyll build
+
+      - name: Run Lighthouse CI
+        uses: treosh/lighthouse-ci-action@12.1.0
+        with:
+          configPath: './lighthouserc.json'
+          uploadArtifacts: true
+          temporaryPublicStorage: true
+          runs: 3
diff --git a/lighthouserc.json b/lighthouserc.json
new file mode 100644
index 000000000..baedf86be
--- /dev/null
+++ b/lighthouserc.json
@@ -0,0 +1,21 @@
+{
+  "ci": {
+    "collect": {
+      "staticDistDir": "./_site",
+      "url": [
+        "http://localhost/",
+        "http://localhost/events.html",
+        "http://localhost/projects/"
+      ]
+    },
+    "assert": {
+      "preset": "lighthouse:no-pwa",
+      "assertions": {
+        "categories:performance": ["warn", {"minScore": 0.8}],
+        "categories:accessibility": ["warn", {"minScore": 0.8}],
+        "categories:seo": ["warn", {"minScore": 0.8}],
+        "categories:best-practices": ["warn", {"minScore": 0.8}]
+      }
+    }
+  }
+}