diff --git a/build.ninja b/build.ninja
index 8ef233b..8192a8b 100644
--- a/build.ninja
+++ b/build.ninja
@@ -1,4 +1,4 @@
-wordleOut = ..\\..\\..\\Documents\\website\\wordle-helper\\index.html
+wordleOut = dist/index.html
 minifyOpts = --minify
 src = src
 dist = dist
@@ -20,6 +20,9 @@ rule calcBundleSize
 rule esbuild
     command = node ./node_modules/esbuild/bin/esbuild $minifyOpts --bundle $in --outfile=$out
 
+rule terser
+    command = node ./node_modules/terser/bin/terser $in --compress unsafe,unsafe_arrows,passes=2 --mangle -o $out
+
 rule gobuilddir
     command = go build -o $bin/ $goLinkFlags $relative/$in
 
@@ -27,7 +30,9 @@ build $bin/build.exe: gobuilddir cmd/build
 
 build $dist/index.css: esbuild $src/index.css
 
-build $dist/index.js: esbuild $src/index.js | $src/compile-guesses.ts $src/common.ts $src/filter-guesses.ts $src/common-dom.ts
+build $dist/index-esbuild.js: esbuild $src/index.js | $src/compile-guesses.ts $src/common.ts $src/filter-guesses.ts $src/common-dom.ts
+
+build $dist/index.js: terser $dist/index-esbuild.js
 
 build $dist/make-suggestion-nodes.cjs: esbuild $tools/make-suggestion-nodes.js | $src/common.ts $src/filter-guesses.ts $src/common-dom.ts $src/compile-guesses.ts
   minifyOpts = --platform=node
diff --git a/out/bundle-size.json b/out/bundle-size.json
index 93532a1..bbf730e 100644
--- a/out/bundle-size.json
+++ b/out/bundle-size.json
@@ -1 +1 @@
-{ "gzip": 10172, "parsed": 26209 }
+{ "gzip": 10028, "parsed": 25693 }
diff --git a/package.json b/package.json
index f121977..6a4ef39 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "@types/node": "^17.0.21",
     "esbuild": "^0.14.25",
     "prettier": "^2.5.1",
+    "terser": "^5.12.0",
     "typescript": "^4.6.2"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index cce479c..db08e3e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -4,12 +4,14 @@ specifiers:
   '@types/node': ^17.0.21
   esbuild: ^0.14.25
   prettier: ^2.5.1
+  terser: ^5.12.0
   typescript: ^4.6.2
 
 devDependencies:
   '@types/node': 17.0.21
   esbuild: 0.14.25
   prettier: 2.5.1
+  terser: 5.12.0
   typescript: 4.6.2
 
 packages:
@@ -18,6 +20,20 @@ packages:
     resolution: {integrity: sha512-DBZCJbhII3r90XbQxI8Y9IjjiiOGlZ0Hr32omXIZvwwZ7p4DMMXGrKXVyPfuoBOri9XNtL0UK69jYIBIsRX3QQ==}
     dev: true
 
+  /acorn/8.7.0:
+    resolution: {integrity: sha512-V/LGr1APy+PXIwKebEWrkZPwoeoF+w1jiOBUmuxuiUIaOHtob8Qc9BTrYo7VuI5fR8tqsy+buA2WFooR5olqvQ==}
+    engines: {node: '>=0.4.0'}
+    hasBin: true
+    dev: true
+
+  /buffer-from/1.1.2:
+    resolution: {integrity: sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==}
+    dev: true
+
+  /commander/2.20.3:
+    resolution: {integrity: sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==}
+    dev: true
+
   /esbuild-android-64/0.14.25:
     resolution: {integrity: sha512-L5vCUk7TzFbBnoESNoXjU3x9+/+7TDIE/1mTfy/erAfvZAqC+S3sp/Qa9wkypFMcFvN9FzvESkTlpeQDolREtQ==}
     engines: {node: '>=12'}
@@ -232,6 +248,34 @@ packages:
     hasBin: true
     dev: true
 
+  /source-map-support/0.5.21:
+    resolution: {integrity: sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==}
+    dependencies:
+      buffer-from: 1.1.2
+      source-map: 0.6.1
+    dev: true
+
+  /source-map/0.6.1:
+    resolution: {integrity: sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==}
+    engines: {node: '>=0.10.0'}
+    dev: true
+
+  /source-map/0.7.3:
+    resolution: {integrity: sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==}
+    engines: {node: '>= 8'}
+    dev: true
+
+  /terser/5.12.0:
+    resolution: {integrity: sha512-R3AUhNBGWiFc77HXag+1fXpAxTAFRQTJemlJKjAgD9r8xXTpjNKqIXwHM/o7Rh+O0kUJtS3WQVdBeMKFk5sw9A==}
+    engines: {node: '>=10'}
+    hasBin: true
+    dependencies:
+      acorn: 8.7.0
+      commander: 2.20.3
+      source-map: 0.7.3
+      source-map-support: 0.5.21
+    dev: true
+
   /typescript/4.6.2:
     resolution: {integrity: sha512-HM/hFigTBHZhLXshn9sN37H085+hQGeJHJ/X7LpBWLID/fbc2acUMfU+lGD98X81sKP+pFa9f0DZmCwB9GnbAg==}
     engines: {node: '>=4.2.0'}
diff --git a/tools/configure.js b/tools/configure.js
index 11d49b8..58573cc 100644
--- a/tools/configure.js
+++ b/tools/configure.js
@@ -40,6 +40,9 @@ rule calcBundleSize
 rule esbuild
     command = ${esbuildBinary} $minifyOpts --bundle $in --outfile=$out
 
+rule terser
+    command = node ./node_modules/terser/bin/terser $in --compress unsafe,unsafe_arrows,passes=2 --mangle -o $out
+
 rule gobuilddir
     command = go build -o $bin/ $goLinkFlags $relative/$in
 
@@ -47,7 +50,9 @@ build $bin/build${platformExt}: gobuilddir cmd/build
 
 build $dist/index.css: esbuild $src/index.css
 
-build $dist/index.js: esbuild $src/index.js | $src/compile-guesses.ts $src/common.ts $src/filter-guesses.ts $src/common-dom.ts
+build $dist/index-esbuild.js: esbuild $src/index.js | $src/compile-guesses.ts $src/common.ts $src/filter-guesses.ts $src/common-dom.ts
+
+build $dist/index.js: terser $dist/index-esbuild.js
 
 build $dist/make-suggestion-nodes.cjs: esbuild $tools/make-suggestion-nodes.js | $src/common.ts $src/filter-guesses.ts $src/common-dom.ts $src/compile-guesses.ts
   minifyOpts = --platform=node