diff --git a/config/webpack.prod.config.js b/config/webpack.prod.config.js
index c72585ed2..39e0b042f 100644
--- a/config/webpack.prod.config.js
+++ b/config/webpack.prod.config.js
@@ -14,6 +14,10 @@ const path = require('path');
 const PostCssAutoprefixerPlugin = require('autoprefixer');
 const PostCssRTLCSS = require('postcss-rtlcss');
 
+// Reduce CSS file size by ~70%
+const { PurgeCSSPlugin } = require('purgecss-webpack-plugin')
+const glob = require('glob')
+
 const HtmlWebpackNewRelicPlugin = require('../lib/plugins/html-webpack-new-relic-plugin');
 const commonConfig = require('./webpack.common.config');
 const presets = require('../lib/presets');
@@ -23,6 +27,10 @@ dotenv.config({
   path: path.resolve(process.cwd(), '.env'),
 });
 
+const PATHS = {
+  src: path.join(__dirname, 'src')
+}
+
 const extraPlugins = [];
 if (process.env.ENABLE_NEW_RELIC !== 'false') {
   // Enable NewRelic logging only if the account ID is properly defined
@@ -90,7 +98,7 @@ module.exports = merge(commonConfig, {
           {
             loader: 'css-loader', // translates CSS into CommonJS
             options: {
-              sourceMap: true,
+              sourceMap: false,
               modules: {
                 compileType: 'icss',
               },
@@ -183,6 +191,13 @@ module.exports = merge(commonConfig, {
     new MiniCssExtractPlugin({
       filename: '[name].[chunkhash].css',
     }),
+    
+    // The recommend usage by official docs
+    // https://purgecss.com/getting-started.html
+    new PurgecssPlugin({
+      paths: glob.sync(`${PATHS.src}/**/*`, { nodir: true })
+    }),
+
     // Generates an HTML file in the output directory.
     new HtmlWebpackPlugin({
       inject: true, // Appends script tags linking to the webpack bundles at the end of the body
diff --git a/package-lock.json b/package-lock.json
index fecde1814..a38ba3162 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -68,6 +68,7 @@
         "@babel/preset-typescript": "^7.18.6",
         "@types/react": "^17.0.0",
         "@types/react-dom": "^17.0.11",
+        "purgecss-webpack-plugin": "^5.0.0",
         "typescript": "^4.8.2"
       },
       "peerDependencies": {
@@ -15021,6 +15022,83 @@
         "node": ">=6"
       }
     },
+    "node_modules/purgecss": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/purgecss/-/purgecss-5.0.0.tgz",
+      "integrity": "sha512-RAnuxrGuVyLLTr8uMbKaxDRGWMgK5CCYDfRyUNNcaz5P3kGgD2b7ymQGYEyo2ST7Tl/ScwFgf5l3slKMxHSbrw==",
+      "dev": true,
+      "dependencies": {
+        "commander": "^9.0.0",
+        "glob": "^8.0.3",
+        "postcss": "^8.4.4",
+        "postcss-selector-parser": "^6.0.7"
+      },
+      "bin": {
+        "purgecss": "bin/purgecss.js"
+      }
+    },
+    "node_modules/purgecss-webpack-plugin": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/purgecss-webpack-plugin/-/purgecss-webpack-plugin-5.0.0.tgz",
+      "integrity": "sha512-u8J0SxXdMekVOsbyV6hK1x6LlzJbE/mrC+UbNX0mLz5Jo/Jle8o4S3IFIRCgdzGdxtOBPCKW+UNgaULfKVmx2w==",
+      "dev": true,
+      "dependencies": {
+        "purgecss": "^5.0.0",
+        "webpack": ">=5.0.0"
+      },
+      "peerDependencies": {
+        "webpack": ">=5.0.0"
+      }
+    },
+    "node_modules/purgecss/node_modules/brace-expansion": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
+      "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+      "dev": true,
+      "dependencies": {
+        "balanced-match": "^1.0.0"
+      }
+    },
+    "node_modules/purgecss/node_modules/commander": {
+      "version": "9.4.1",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-9.4.1.tgz",
+      "integrity": "sha512-5EEkTNyHNGFPD2H+c/dXXfQZYa/scCKasxWcXJaWnNJ99pnQN9Vnmqow+p+PlFPE63Q6mThaZws1T+HxfpgtPw==",
+      "dev": true,
+      "engines": {
+        "node": "^12.20.0 || >=14"
+      }
+    },
+    "node_modules/purgecss/node_modules/glob": {
+      "version": "8.0.3",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-8.0.3.tgz",
+      "integrity": "sha512-ull455NHSHI/Y1FqGaaYFaLGkNMMJbavMrEGFXG/PGrg6y7sutWHUHrz6gy6WEBH6akM1M414dWKCNs+IhKdiQ==",
+      "dev": true,
+      "dependencies": {
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^5.0.1",
+        "once": "^1.3.0"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
+    "node_modules/purgecss/node_modules/minimatch": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-5.1.0.tgz",
+      "integrity": "sha512-9TPBGGak4nHfGZsPBohm9AWg6NoT7QTCehS3BIJABslyZbzxfV78QM2Y6+i741OPZIafFAaiiEMh5OyIrJPgtg==",
+      "dev": true,
+      "dependencies": {
+        "brace-expansion": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/qs": {
       "version": "6.10.5",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.10.5.tgz",
@@ -29773,6 +29851,67 @@
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
       "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
     },
+    "purgecss": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/purgecss/-/purgecss-5.0.0.tgz",
+      "integrity": "sha512-RAnuxrGuVyLLTr8uMbKaxDRGWMgK5CCYDfRyUNNcaz5P3kGgD2b7ymQGYEyo2ST7Tl/ScwFgf5l3slKMxHSbrw==",
+      "dev": true,
+      "requires": {
+        "commander": "^9.0.0",
+        "glob": "^8.0.3",
+        "postcss": "^8.4.4",
+        "postcss-selector-parser": "^6.0.7"
+      },
+      "dependencies": {
+        "brace-expansion": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
+          "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+          "dev": true,
+          "requires": {
+            "balanced-match": "^1.0.0"
+          }
+        },
+        "commander": {
+          "version": "9.4.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-9.4.1.tgz",
+          "integrity": "sha512-5EEkTNyHNGFPD2H+c/dXXfQZYa/scCKasxWcXJaWnNJ99pnQN9Vnmqow+p+PlFPE63Q6mThaZws1T+HxfpgtPw==",
+          "dev": true
+        },
+        "glob": {
+          "version": "8.0.3",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-8.0.3.tgz",
+          "integrity": "sha512-ull455NHSHI/Y1FqGaaYFaLGkNMMJbavMrEGFXG/PGrg6y7sutWHUHrz6gy6WEBH6akM1M414dWKCNs+IhKdiQ==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^5.0.1",
+            "once": "^1.3.0"
+          }
+        },
+        "minimatch": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-5.1.0.tgz",
+          "integrity": "sha512-9TPBGGak4nHfGZsPBohm9AWg6NoT7QTCehS3BIJABslyZbzxfV78QM2Y6+i741OPZIafFAaiiEMh5OyIrJPgtg==",
+          "dev": true,
+          "requires": {
+            "brace-expansion": "^2.0.1"
+          }
+        }
+      }
+    },
+    "purgecss-webpack-plugin": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/purgecss-webpack-plugin/-/purgecss-webpack-plugin-5.0.0.tgz",
+      "integrity": "sha512-u8J0SxXdMekVOsbyV6hK1x6LlzJbE/mrC+UbNX0mLz5Jo/Jle8o4S3IFIRCgdzGdxtOBPCKW+UNgaULfKVmx2w==",
+      "dev": true,
+      "requires": {
+        "purgecss": "^5.0.0",
+        "webpack": ">=5.0.0"
+      }
+    },
     "qs": {
       "version": "6.10.5",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.10.5.tgz",
diff --git a/package.json b/package.json
index 9f5822824..295158297 100644
--- a/package.json
+++ b/package.json
@@ -81,6 +81,7 @@
     "@babel/preset-typescript": "^7.18.6",
     "@types/react": "^17.0.0",
     "@types/react-dom": "^17.0.11",
+    "purgecss-webpack-plugin": "^5.0.0",
     "typescript": "^4.8.2"
   },
   "peerDependencies": {