diff --git a/codecs/hqx/Dockerfile b/codecs/hqx/Dockerfile
index 1142b581..e48f73b2 100644
--- a/codecs/hqx/Dockerfile
+++ b/codecs/hqx/Dockerfile
@@ -14,5 +14,10 @@ RUN rustup install nightly && \
   cargo install wasm-pack
 
 COPY --from=0 /opt/wabt /opt/wabt
-ENV PATH="/opt/wabt/bin:${PATH}"
+
+RUN mkdir /opt/binaryen && \
+  curl -L https://github.com/WebAssembly/binaryen/releases/download/1.38.32/binaryen-1.38.32-x86-linux.tar.gz  | tar -xzf - -C /opt/binaryen --strip 1
+
+ENV PATH="/opt/binaryen:/opt/wabt/bin:${PATH}"
+
 WORKDIR /src
diff --git a/codecs/hqx/build.sh b/codecs/hqx/build.sh
index 413db29d..fd06ec21 100755
--- a/codecs/hqx/build.sh
+++ b/codecs/hqx/build.sh
@@ -8,6 +8,8 @@ echo "============================================="
 (
   rustup run nightly \
     wasm-pack build --target no-modules
+  mv pkg/squooshhqx_bg.wasm pkg/squooshhqx_bg.unopt.wasm
+  wasm-opt -Os --no-validation pkg/squooshhqx_bg.unopt.wasm -o pkg/squooshhqx_bg.wasm
   wasm-strip pkg/squooshhqx_bg.wasm
   rm pkg/.gitignore
 )
diff --git a/codecs/hqx/loading_benchmark.js b/codecs/hqx/loading_benchmark.js
new file mode 100644
index 00000000..ea9624ec
--- /dev/null
+++ b/codecs/hqx/loading_benchmark.js
@@ -0,0 +1,11 @@
+// THIS IS NOT A NODE SCRIPT
+// This is a d8 script. Please install jsvu[1] and install v8.
+// Then run `npm run --silent benchmark`.
+// [1]: https://github.com/GoogleChromeLabs/jsvu
+
+async function init() {
+  const start = Date.now();
+  const module = await WebAssembly.compile(readbuffer("pkg/squooshhqx_bg.wasm"));
+  print(`${Date.now()/1000 - start/1000}`);
+}
+init().catch(e => console.error(e.stack));
\ No newline at end of file
diff --git a/codecs/hqx/pkg/squooshhqx_bg.wasm b/codecs/hqx/pkg/squooshhqx_bg.wasm
index b180905b..f986ea0b 100644
Binary files a/codecs/hqx/pkg/squooshhqx_bg.wasm and b/codecs/hqx/pkg/squooshhqx_bg.wasm differ