diff --git a/bench/fstw.mjs b/bench/fstw.mjs
index dbe504e..9627ade 100644
--- a/bench/fstw.mjs
+++ b/bench/fstw.mjs
@@ -2,7 +2,7 @@ import _string_width from '../node_modules/fast-string-truncated-width/dist/inde
 const string_width = (input) => _string_width(input, {limit:Infinity, ellipsis:""}).width
 
 let sum = 0;
-for(let i = 0; i < 10000; ++i) {
+for(let i = 0; i < 100000; ++i) {
   sum += string_width("\x1b[1;95m· \x1b[0m\x1b[K\x1b[33mdeno\x1b[0m\x1b[K, \x1b[33mtypescript\x1b[0m\x1b[K, \x1b[33mts\x1b[0m\x1b[K")
 }
 console.log(sum)
diff --git a/bench/sw.mjs b/bench/sw.mjs
index 0672867..cf2ee17 100644
--- a/bench/sw.mjs
+++ b/bench/sw.mjs
@@ -2,8 +2,9 @@ import { line as string_width, HandleGraphemeClusters } from '../build/dev/javas
 import { toList } from '../build/dev/javascript/string_width/gleam.mjs'
 
 let sum = 0;
-let options = toList([new HandleGraphemeClusters()]);
-for(let i = 0; i < 10000; ++i) {
+// let options = toList([new HandleGraphemeClusters()]);
+let options = toList([])
+for(let i = 0; i < 100000; ++i) {
   sum += string_width("\x1b[1;95m· \x1b[0m\x1b[K\x1b[33mdeno\x1b[0m\x1b[K, \x1b[33mtypescript\x1b[0m\x1b[K, \x1b[33mts\x1b[0m\x1b[K", options)
 }
 console.log(sum)
diff --git a/package-lock.json b/package-lock.json
index 241245b..5f330a2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,9 +7,9 @@
       "dependencies": {
         "fast-string-truncated-width": "^1.1.0",
         "graphemer": "^1.4.0",
-        "string-width": "^7.2.0"
-      },
-      "devDependencies": {}
+        "string-width": "^7.2.0",
+        "unicode-segmenter": "^0.10.1"
+      }
     },
     "node_modules/ansi-regex": {
       "version": "6.1.0",
@@ -78,6 +78,12 @@
       "funding": {
         "url": "https://github.com/chalk/strip-ansi?sponsor=1"
       }
+    },
+    "node_modules/unicode-segmenter": {
+      "version": "0.10.1",
+      "resolved": "https://registry.npmjs.org/unicode-segmenter/-/unicode-segmenter-0.10.1.tgz",
+      "integrity": "sha512-SZzvUb3Unf9PeCcac8D6rTkfanyfUa1riRjW4ZTUvBIB69n09/U7TLsn6m9HEMaq1YHae2JENgF1LPolk3vZYQ==",
+      "license": "MIT"
     }
   }
 }
diff --git a/package.json b/package.json
index 61b069f..06c3e6b 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "dependencies": {
     "fast-string-truncated-width": "^1.1.0",
     "graphemer": "^1.4.0",
-    "string-width": "^7.2.0"
+    "string-width": "^7.2.0",
+    "unicode-segmenter": "^0.10.1"
   }
 }
diff --git a/probe/pop-adapted.mjs b/probe/pop-adapted.mjs
new file mode 100644
index 0000000..2ff06dc
--- /dev/null
+++ b/probe/pop-adapted.mjs
@@ -0,0 +1,10 @@
+import { Segmenter } from 'unicode-segmenter/intl-adapter';
+
+const str = "😀".repeat(10)
+
+let sum = 0
+const segmenter = new Segmenter()
+for(let i = 0; i < 100000; ++i) {
+  sum += segmenter.segment(str)[Symbol.iterator]().next().value.segment.length
+}
+console.log(sum)
diff --git a/probe/pop-improved.js b/probe/pop-improved.js
new file mode 100644
index 0000000..a38cc2b
--- /dev/null
+++ b/probe/pop-improved.js
@@ -0,0 +1,15 @@
+const str = "😀".repeat(100)
+
+const segmenter = new Intl.Segmenter();
+function fold_graphemes(str, state, fun) {
+  for (const { segment: grapheme } of segmenter.segment(str)) {
+    state = fun(grapheme, state)
+  }
+  return state
+}
+
+let sum = 0
+for(let i = 0; i < 100000; ++i) {
+  sum += fold_graphemes(str, 0, (a, b) => b + a.length)
+}
+console.log(sum)
diff --git a/probe/pop-low-hanging-fruit.js b/probe/pop-low-hanging-fruit.js
new file mode 100644
index 0000000..e13a045
--- /dev/null
+++ b/probe/pop-low-hanging-fruit.js
@@ -0,0 +1,24 @@
+const str = "😀".repeat(10)
+
+function fold_graphemes(str, state, fun) {
+  let arr
+  while(null !== (arr = pop_grapheme(str))) {
+    state = fun(arr[0], state)
+    str = arr[1]
+  }
+  return state
+}
+
+const segmenter = new Intl.Segmenter();
+function pop_grapheme(str) {
+  if (str === "") return null;
+  const grapheme = segmenter.segment(str)[Symbol.iterator]().next().value.segment;
+  return [grapheme, str.slice(grapheme.length)]
+}
+
+
+let sum = 0
+for(let i = 0; i < 100000; ++i) {
+  sum += fold_graphemes(str, 0, (a, b) => b + a.length)
+}
+console.log(sum)
diff --git a/probe/pop-naive.js b/probe/pop-naive.js
new file mode 100644
index 0000000..32b8a0e
--- /dev/null
+++ b/probe/pop-naive.js
@@ -0,0 +1,24 @@
+const str = "😀".repeat(10)
+
+function fold_graphemes(str, state, fun) {
+  let arr
+  while(null !== (arr = pop_grapheme(str))) {
+    state = fun(arr[0], state)
+    str = arr[1]
+  }
+  return state
+}
+
+function pop_grapheme(str) {
+  if (str === "") return null;
+  const segmenter = new Intl.Segmenter();
+  const grapheme = segmenter.segment(str)[Symbol.iterator]().next().value.segment;
+  return [grapheme, str.slice(grapheme.length)]
+}
+
+
+let sum = 0
+for(let i = 0; i < 100000; ++i) {
+  sum += fold_graphemes(str, 0, (a, b) => b + a.length)
+}
+console.log(sum)
diff --git a/probe/pop-rust.mjs b/probe/pop-rust.mjs
new file mode 100644
index 0000000..2c15a0d
--- /dev/null
+++ b/probe/pop-rust.mjs
@@ -0,0 +1,16 @@
+import { graphemeSegments } from 'unicode-segmenter/grapheme';
+
+const str = "😀".repeat(100)
+
+function fold_graphemes(str, state, fun) {
+  for(const { segment: grapheme } of graphemeSegments(str)) {
+    state = fun(grapheme, state)
+  }
+  return state
+}
+
+let sum = 0
+for(let i = 0; i < 100000; ++i) {
+  sum += fold_graphemes(str, 0, (a, b) => b + a.length)
+}
+console.log(sum)