diff --git a/.gitignore b/.gitignore
index 599be4e..368592d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 *.ez
 /build
 erl_crash.dump
+node_modules
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 118cda7..ffabf8d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,3 +17,8 @@
 
 - Minor performance improvement for uris with userinfo
 - More performance improvements for ascii/digit parsing
+
+## 2.0.3
+
+- Minor performance improvement for erlang
+- Major performance improvement for js
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..acce7d6
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,18 @@
+{
+  "name": "uri",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "mitata": "^1.0.34"
+      }
+    },
+    "node_modules/mitata": {
+      "version": "1.0.34",
+      "resolved": "https://registry.npmjs.org/mitata/-/mitata-1.0.34.tgz",
+      "integrity": "sha512-Mc3zrtNBKIMeHSCQ0XqRLo1vbdIx1wvFV9c8NJAiyho6AjNfMY8bVhbS12bwciUdd1t4rj8099CH3N3NFahaUA==",
+      "license": "MIT"
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..56b0974
--- /dev/null
+++ b/package.json
@@ -0,0 +1,6 @@
+{
+  "type": "module",
+  "dependencies": {
+    "mitata": "^1.0.34"
+  }
+}
diff --git a/test/benchmark.gleam b/test/benchmark.gleam
index de54e39..b942684 100644
--- a/test/benchmark.gleam
+++ b/test/benchmark.gleam
@@ -1,3 +1,4 @@
+import gleam/string
 import gleam/uri as uri2
 import gluri as uri
 import glychee/benchmark
@@ -9,6 +10,7 @@ pub fn main() {
   configuration.set_pair(configuration.Warmup, 2)
   configuration.set_pair(configuration.Parallel, 2)
 
+  // pop_benchmark()
   parse_benchmark()
   // reg_name_benchmark()
   // ip_benchmark()
@@ -82,3 +84,276 @@ pub fn parse_benchmark() {
     ],
   )
 }
+
+@target(erlang)
+pub fn pop_benchmark() {
+  benchmark.run(
+    [
+      benchmark.Function("pop", fn(data) { fn() { pop(data, "") } }),
+      benchmark.Function("pop2", fn(data) { fn() { pop4(data, "") } }),
+      benchmark.Function("pop3", fn(data) { fn() { pop5(data, "") } }),
+      benchmark.Function("match", fn(data) { fn() { pop2(data, "") } }),
+      benchmark.Function("match_2", fn(data) { fn() { pop3(data, "") } }),
+    ],
+    [
+      // benchmark.Data("long", "abcdefghijklmnopqrstuvwxyz"),
+      benchmark.Data(
+        "with user",
+        "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
+      ),
+      // benchmark.Data("ipv4", "https://192.255.36.4/"),
+    ],
+  )
+}
+
+pub fn pop(input, _) {
+  case string.pop_grapheme(input) {
+    Ok(#(char, tail)) -> {
+      let assert [codepoint] = string.to_utf_codepoints(char)
+      let i = string.utf_codepoint_to_int(codepoint)
+      case i {
+        _ if i >= 0x41 && i <= 0x5A -> pop(tail, char)
+        _ if i >= 0x61 && i <= 0x7A -> pop(tail, char)
+        _ -> Nil
+      }
+    }
+    Error(_) -> Nil
+  }
+}
+
+pub fn pop2(input, _) {
+  case input {
+    "a" as j <> tail
+    | "b" as j <> tail
+    | "c" as j <> tail
+    | "d" as j <> tail
+    | "e" as j <> tail
+    | "f" as j <> tail
+    | "g" as j <> tail
+    | "h" as j <> tail
+    | "i" as j <> tail
+    | "j" as j <> tail
+    | "k" as j <> tail
+    | "l" as j <> tail
+    | "m" as j <> tail
+    | "n" as j <> tail
+    | "o" as j <> tail
+    | "p" as j <> tail
+    | "q" as j <> tail
+    | "r" as j <> tail
+    | "s" as j <> tail
+    | "t" as j <> tail
+    | "u" as j <> tail
+    | "v" as j <> tail
+    | "w" as j <> tail
+    | "x" as j <> tail
+    | "y" as j <> tail
+    | "z" as j <> tail
+    | "A" as j <> tail
+    | "B" as j <> tail
+    | "C" as j <> tail
+    | "D" as j <> tail
+    | "E" as j <> tail
+    | "F" as j <> tail
+    | "G" as j <> tail
+    | "H" as j <> tail
+    | "I" as j <> tail
+    | "J" as j <> tail
+    | "K" as j <> tail
+    | "L" as j <> tail
+    | "M" as j <> tail
+    | "N" as j <> tail
+    | "O" as j <> tail
+    | "P" as j <> tail
+    | "Q" as j <> tail
+    | "R" as j <> tail
+    | "S" as j <> tail
+    | "T" as j <> tail
+    | "U" as j <> tail
+    | "V" as j <> tail
+    | "W" as j <> tail
+    | "X" as j <> tail
+    | "Y" as j <> tail
+    | "Z" as j <> tail -> pop2(tail, j)
+    _ -> Nil
+  }
+}
+
+pub fn pop3(input, _) {
+  case input {
+    "a" <> tail
+    | "b" <> tail
+    | "c" <> tail
+    | "d" <> tail
+    | "e" <> tail
+    | "f" <> tail
+    | "g" <> tail
+    | "h" <> tail
+    | "i" <> tail
+    | "j" <> tail
+    | "k" <> tail
+    | "l" <> tail
+    | "m" <> tail
+    | "n" <> tail
+    | "o" <> tail
+    | "p" <> tail
+    | "q" <> tail
+    | "r" <> tail
+    | "s" <> tail
+    | "t" <> tail
+    | "u" <> tail
+    | "v" <> tail
+    | "w" <> tail
+    | "x" <> tail
+    | "y" <> tail
+    | "z" <> tail
+    | "A" <> tail
+    | "B" <> tail
+    | "C" <> tail
+    | "D" <> tail
+    | "E" <> tail
+    | "F" <> tail
+    | "G" <> tail
+    | "H" <> tail
+    | "I" <> tail
+    | "J" <> tail
+    | "K" <> tail
+    | "L" <> tail
+    | "M" <> tail
+    | "N" <> tail
+    | "O" <> tail
+    | "P" <> tail
+    | "Q" <> tail
+    | "R" <> tail
+    | "S" <> tail
+    | "T" <> tail
+    | "U" <> tail
+    | "V" <> tail
+    | "W" <> tail
+    | "X" <> tail
+    | "Y" <> tail
+    | "Z" <> tail -> pop3(tail, "")
+    _ -> Nil
+  }
+}
+
+pub fn pop4(input, _) {
+  case string.pop_grapheme(input) {
+    Ok(#(char, tail)) -> {
+      case char {
+        "a"
+        | "b"
+        | "c"
+        | "d"
+        | "e"
+        | "f"
+        | "g"
+        | "h"
+        | "i"
+        | "j"
+        | "k"
+        | "l"
+        | "m"
+        | "n"
+        | "o"
+        | "p"
+        | "q"
+        | "r"
+        | "s"
+        | "t"
+        | "u"
+        | "v"
+        | "w"
+        | "x"
+        | "y"
+        | "z"
+        | "A"
+        | "B"
+        | "C"
+        | "D"
+        | "E"
+        | "F"
+        | "G"
+        | "H"
+        | "I"
+        | "J"
+        | "K"
+        | "L"
+        | "M"
+        | "N"
+        | "O"
+        | "P"
+        | "Q"
+        | "R"
+        | "S"
+        | "T"
+        | "U"
+        | "V"
+        | "W"
+        | "X"
+        | "Y"
+        | "Z" -> pop4(tail, char)
+        _ -> Nil
+      }
+    }
+    Error(_) -> Nil
+  }
+}
+
+pub fn pop5(input, _) {
+  case string.pop_grapheme(input) {
+    Ok(#("a" as char, tail))
+    | Ok(#("b" as char, tail))
+    | Ok(#("c" as char, tail))
+    | Ok(#("d" as char, tail))
+    | Ok(#("e" as char, tail))
+    | Ok(#("f" as char, tail))
+    | Ok(#("g" as char, tail))
+    | Ok(#("h" as char, tail))
+    | Ok(#("i" as char, tail))
+    | Ok(#("j" as char, tail))
+    | Ok(#("k" as char, tail))
+    | Ok(#("l" as char, tail))
+    | Ok(#("m" as char, tail))
+    | Ok(#("n" as char, tail))
+    | Ok(#("o" as char, tail))
+    | Ok(#("p" as char, tail))
+    | Ok(#("q" as char, tail))
+    | Ok(#("r" as char, tail))
+    | Ok(#("s" as char, tail))
+    | Ok(#("t" as char, tail))
+    | Ok(#("u" as char, tail))
+    | Ok(#("v" as char, tail))
+    | Ok(#("w" as char, tail))
+    | Ok(#("x" as char, tail))
+    | Ok(#("y" as char, tail))
+    | Ok(#("z" as char, tail))
+    | Ok(#("A" as char, tail))
+    | Ok(#("B" as char, tail))
+    | Ok(#("C" as char, tail))
+    | Ok(#("D" as char, tail))
+    | Ok(#("E" as char, tail))
+    | Ok(#("F" as char, tail))
+    | Ok(#("G" as char, tail))
+    | Ok(#("H" as char, tail))
+    | Ok(#("I" as char, tail))
+    | Ok(#("J" as char, tail))
+    | Ok(#("K" as char, tail))
+    | Ok(#("L" as char, tail))
+    | Ok(#("M" as char, tail))
+    | Ok(#("N" as char, tail))
+    | Ok(#("O" as char, tail))
+    | Ok(#("P" as char, tail))
+    | Ok(#("Q" as char, tail))
+    | Ok(#("R" as char, tail))
+    | Ok(#("S" as char, tail))
+    | Ok(#("T" as char, tail))
+    | Ok(#("U" as char, tail))
+    | Ok(#("V" as char, tail))
+    | Ok(#("W" as char, tail))
+    | Ok(#("X" as char, tail))
+    | Ok(#("Y" as char, tail))
+    | Ok(#("Z" as char, tail)) -> pop4(tail, char)
+    _ -> Nil
+  }
+}
diff --git a/test/benchmark.js b/test/benchmark.js
new file mode 100644
index 0000000..a69e9ec
--- /dev/null
+++ b/test/benchmark.js
@@ -0,0 +1,16 @@
+import { run, bench, boxplot, summary } from "mitata";
+import { parse } from "../build/dev/javascript/gluri/gluri.mjs";
+import { parse as parse2 } from "../build/dev/javascript/gleam_stdlib/gleam/uri.mjs";
+
+bench("parse", () =>
+  parse(
+    "https://test_name:user%20$$$@github.com/gleam-lang/stdlib/issues/523#issuecomment-3288230480",
+  ),
+);
+bench("parse2", () =>
+  parse2(
+    "https://test_name:user%20$$$@github.com/gleam-lang/stdlib/issues/523#issuecomment-3288230480",
+  ),
+);
+
+await run();