diff --git a/.github/workflows/swizzle-test.yml b/.github/workflows/swizzle-test.yml
new file mode 100644
index 000000000000..3f2146e848a6
--- /dev/null
+++ b/.github/workflows/swizzle-test.yml
@@ -0,0 +1,58 @@
+name: Swizzle Test
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: ['14']
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node }}
+      - name: Installation
+        run: yarn
+      - name: Swizzle most of `theme-classic` components
+        run: |
+          yarn swizzle:v2 AnnouncementBar --danger
+          yarn swizzle:v2 BlogListPage --danger
+          yarn swizzle:v2 BlogListPaginator --danger
+          yarn swizzle:v2 BlogPostItem --danger
+          yarn swizzle:v2 BlogPostPage --danger
+          yarn swizzle:v2 BlogPostPaginator --danger
+          yarn swizzle:v2 BlogSidebar --danger
+          yarn swizzle:v2 BlogTagsListPage --danger
+          yarn swizzle:v2 BlogTagsPostsPage --danger
+          yarn swizzle:v2 DocItem --danger
+          yarn swizzle:v2 DocPage --danger
+          yarn swizzle:v2 DocPaginator --danger
+          yarn swizzle:v2 DocSidebar
+          yarn swizzle:v2 DocVersionSuggestions --danger
+          yarn swizzle:v2 Footer
+          yarn swizzle:v2 Heading --danger
+          yarn swizzle:v2 Navbar --danger
+          yarn swizzle:v2 NavbarItem --danger
+          yarn swizzle:v2 NotFound
+          yarn swizzle:v2 TabItem --danger
+          yarn swizzle:v2 Tabs --danger
+          yarn swizzle:v2 TOC --danger
+          yarn swizzle:v2 Toggle --danger
+          yarn swizzle:v2 hooks/useTheme
+          yarn swizzle:v2 prism-include-languages
+      - name: Swizzle most of `theme-search-algolia` components
+        run: |
+          yarn swizzle:v2:algolia SearchBar
+          yarn swizzle:v2:algolia SearchPage
+      - name: Swizzle most of `theme-live-codeblock` components
+        run: |
+          yarn swizzle:v2:codeblock CodeBlock
+          yarn swizzle:v2:codeblock Playground
+      - name: Build with swizzled components
+        run: yarn build:v2:en
diff --git a/package.json b/package.json
index 967c746a25d1..c6073e7eec4f 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,9 @@
     "serve:v2:ssl:gencert": "openssl req -x509 -nodes -days 365 -newkey rsa:4096 -subj \"/C=US/ST=Docusaurus/L=Anywhere/O=Dis/CN=localhost\" -keyout ./website/.docusaurus/selfsigned.key -out ./website/.docusaurus/selfsigned.crt",
     "serve:v2:ssl:message": "echo '\n\n\nServing Docusaurus with HTTPS on localhost requires to disable the Chrome security: chrome://flags/#allow-insecure-localhost\n\n\n'",
     "serve:v2:ssl:serve": "serve website/build --ssl-cert ./website/.docusaurus/selfsigned.crt --ssl-key ./website/.docusaurus/selfsigned.key",
+    "swizzle:v2": "yarn workspace docusaurus-2-website swizzle @docusaurus/theme-classic",
+    "swizzle:v2:algolia": "yarn workspace docusaurus-2-website swizzle @docusaurus/theme-search-algolia",
+    "swizzle:v2:codeblock": "yarn workspace docusaurus-2-website swizzle @docusaurus/theme-live-codeblock",
     "crowdin:upload:v2": "crowdin upload sources --config ./crowdin-v2.yaml",
     "crowdin:download:v2": "crowdin download --config ./crowdin-v2.yaml",
     "canary": "yarn canary:bumpVersion && yarn canary:publish",