diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 40edac5..402f582 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,3 @@
-# This is a basic workflow to help you get started with Actions
-
 name: CI
 
 on:
@@ -58,3 +56,47 @@ jobs:
       run: npm run lint
     - name: Unit tests
       run: npm run unittest
+  browser-test:
+    strategy:
+      matrix:
+        config:
+          - os: ubuntu-latest
+            name: Browser Tests Linux Firefox Stable
+            targetBrowser: Firefox_Stable
+            xvfb: true
+          - os: windows-latest
+            name: Windows Internet Explorer 11
+            targetBrowser: IE_11
+    runs-on: ${{ matrix.config.os }}
+    name: ${{ matrix.config.name }}
+    needs: build
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+      - name: Npm install
+        run: npm ci
+      - name: Download library
+        uses: actions/download-artifact@v2
+        with:
+          name: dist
+      - name: Download test-runner
+        uses: actions/download-artifact@v2
+        with:
+          name: build
+      - name: Run browser tests
+        if: ${{ matrix.config.xvfb !== true }}
+        run: npm run karma
+      - name: Start Xvfb
+        if: ${{ matrix.config.xvfb === true }}
+        run: Xvfb :99 &
+      - name: Run browser tests
+        if: ${{ matrix.config.xvfb === true }}
+        run: DISPLAY=:99 npm run karma
+      - name: Upload screenshots
+        uses: actions/upload-artifact@v2
+        with:
+          name: ReftestResults
+          path: tmp/reftests      
+