diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7b94526e804..7708819066a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,13 +1,32 @@
-name: Build
+name: Testing Build
 
-on: [push]
+on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - closed
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
+      - name: Cache node modules
+        uses: actions/cache@v2
+        env:
+          cache-name: cache-node-modules
+        with:
+          # npm cache files are stored in `~/.npm` on Linux/macOS
+          path: ~/.npm
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-build-${{ env.cache-name }}-
+            ${{ runner.os }}-build-
+            ${{ runner.os }}-
       - name: Install
         run: yarn --no-progress --non-interactive --no-lockfile
       - name: Build
         run: yarn build
+        env:
+          GITHUB_PERSONAL_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
deleted file mode 100644
index 1249f20532f..00000000000
--- a/.github/workflows/integration.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-name: Integration Tests
-
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
-
-jobs:
-  job:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
-        node: ['10', '12', '14']
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup node
-        uses: actions/setup-node@v1
-        with:
-          node-version: ${{ matrix.node }}
-      - name: Cache dependencies
-        id: cache
-        uses: actions/cache@v2
-        with:
-          path: |
-            node_modules
-            */*/node_modules
-          key: ${{ runner.os }}-${{ hashFiles('**/yarn.lock', './yarn.lock') }}
-      - name: Install packages
-        if: steps.cache.outputs.cache-hit != 'true'
-        run: yarn --frozen-lockfile --prefer-offline
-      - name: Run integration tests
-        run: yarn test:integration
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
deleted file mode 100644
index a2e7567d1e1..00000000000
--- a/.github/workflows/lint.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-name: Lint
-
-on: [push]
-
-jobs:
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - name: Install
-        run: yarn --no-progress --non-interactive --no-lockfile
-      - name: Alex
-        run: yarn alex
diff --git a/package.json b/package.json
index a5c093bf32e..bcb0ddf266d 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,7 @@
     "@testing-library/react": "^11.1.0",
     "@testing-library/user-event": "^12.1.10",
     "alex": "^8.2.0",
+    "asset-compare-git-webpack-plugin": "https://github.com/supriya-raj/asset-compare-git-webpack-plugin#1a8c2fe3acbb049b050fae9deb5ab3733af3791d",
     "eslint": "^7.11.0",
     "execa": "1.0.0",
     "fs-extra": "^9.0.1",
diff --git a/packages/react-scripts/bin/react-scripts.js b/packages/react-scripts/bin/react-scripts.js
index 09604f6a03f..dc3894a1733 100755
--- a/packages/react-scripts/bin/react-scripts.js
+++ b/packages/react-scripts/bin/react-scripts.js
@@ -15,6 +15,8 @@ process.on('unhandledRejection', err => {
   throw err;
 });
 
+console.log(process.env);
+
 const spawn = require('react-dev-utils/crossSpawn');
 const args = process.argv.slice(2);
 
diff --git a/packages/react-scripts/config/webpack.config.js b/packages/react-scripts/config/webpack.config.js
index 5e5f87f3ce9..6c3c6ab1c39 100644
--- a/packages/react-scripts/config/webpack.config.js
+++ b/packages/react-scripts/config/webpack.config.js
@@ -8,6 +8,7 @@
 // @remove-on-eject-end
 'use strict';
 
+const AssetComparePlugin = require('asset-compare-git-webpack-plugin');
 const fs = require('fs');
 const path = require('path');
 const webpack = require('webpack');
@@ -788,6 +789,9 @@ module.exports = function (webpackEnv) {
             },
           },
         }),
+      new AssetComparePlugin({
+        gist_id: '3372502a4187b06e810e07f1b20b6d24',
+      }),
     ].filter(Boolean),
     // Some libraries import Node modules but don't use them in the browser.
     // Tell webpack to provide empty mocks for them so importing them works.
diff --git a/webpack-asset-sizes.json b/webpack-asset-sizes.json
new file mode 100644
index 00000000000..8b242d2f37f
--- /dev/null
+++ b/webpack-asset-sizes.json
@@ -0,0 +1 @@
+[{"name":"index.html","size":3034},{"name":"main","size":943},{"name":"static/js/2.49c628d1.chunk.js","size":131280},{"name":"static/js/2.49c628d1.chunk.js.LICENSE.txt","size":1043},{"name":"static/js/3.4fd48114.chunk.js","size":4398},{"name":"main","size":1047},{"name":"runtime-main","size":2374}]
\ No newline at end of file
diff --git a/webpack-asset-stats.json b/webpack-asset-stats.json
new file mode 100644
index 00000000000..8b242d2f37f
--- /dev/null
+++ b/webpack-asset-stats.json
@@ -0,0 +1 @@
+[{"name":"index.html","size":3034},{"name":"main","size":943},{"name":"static/js/2.49c628d1.chunk.js","size":131280},{"name":"static/js/2.49c628d1.chunk.js.LICENSE.txt","size":1043},{"name":"static/js/3.4fd48114.chunk.js","size":4398},{"name":"main","size":1047},{"name":"runtime-main","size":2374}]
\ No newline at end of file