diff --git a/mozconfig-avx2 b/mozconfig-avx2
new file mode 100644
index 0000000..8dac2a4
--- /dev/null
+++ b/mozconfig-avx2
@@ -0,0 +1,101 @@
+## Copyright (c) 2023 Alex313031.
+
+## .mozconfig for Mercury Browser (Linux)
+
+# Build only Mercury
+ac_add_options --enable-application=browser
+ac_add_options --disable-artifact-builds
+
+# Build for Linux
+ac_add_options --target=x86_64-pc-linux-gnu
+ac_add_options --enable-bootstrap
+export MOZ_INCLUDE_SOURCE_INFO=1
+
+# Optimization settings
+ac_add_options --enable-release
+ac_add_options --disable-debug
+ac_add_options --disable-debug-symbols
+ac_add_options --disable-debug-js-modules
+ac_add_options --disable-tests
+ac_add_options --enable-strip
+ac_add_options --enable-install-strip
+ac_add_options --enable-clang-plugin
+ac_add_options --enable-lto
+ac_add_options --enable-wasm-avx
+ac_add_options --enable-optimize="-O3 -march=x86-64-v3"
+ac_add_options --enable-rust-simd
+ac_add_options --enable-hardening
+# ac_add_options --disable-trace-logging
+mk_add_options MOZ_OPTIMIZE=1
+MOZ_OPTIMIZE=1
+export MOZ_OPTIMIZE=1
+export STRIP_FLAGS="--strip-debug --strip-unneeded"
+
+# Media settings
+ac_add_options --enable-sandbox
+ac_add_options --enable-raw
+ac_add_options --enable-webrtc
+ac_add_options --enable-pulseaudio
+ac_add_options --enable-alsa
+ac_add_options --enable-jxl
+ac_add_options --enable-av1
+ac_add_options --enable-eme=widevine
+
+# Add-ons
+ac_add_options --allow-addon-sideload
+ac_add_options --with-unsigned-addon-scopes=app,system
+
+# Client settings
+ac_add_options --disable-parental-controls
+ac_add_options --disable-crashreporter
+ac_add_options --disable-updater
+ac_add_options --without-wasm-sandboxed-libraries
+# ac_add_options --disable-default-browser-agent
+export MOZ_SOURCE_CHANGESET=${changeset}
+mk_add_options MOZ_CRASHREPORTER=0
+mk_add_options MOZ_DATA_REPORTING=0
+mk_add_options MOZ_SERVICES_HEALTHREPORT=0
+mk_add_options MOZ_TELEMETRY_REPORTING=0
+MOZ_CRASHREPORTER=0
+MOZ_DATA_REPORTING=0
+MOZ_REQUIRE_SIGNING=
+export MOZ_CRASHREPORTER=0
+export MOZ_DATA_REPORTING=0
+export MOZ_REQUIRE_SIGNING=
+
+# Branding
+ac_add_options --with-app-name=mercury
+ac_add_options --with-app-basename=Mercury
+ac_add_options --with-branding=browser/branding/mercury
+ac_add_options --with-l10n-base=$PWD/browser/locales/en-US
+ac_add_options --with-distribution-id=com.alex313031.mercury
+# -app=/home/alex/bin/Mercury/application.ini
+
+# Make flags (set to number of CPU cores)
+mk_add_options MOZ_MAKE_FLAGS="-j16"
+export MOZ_MAKE_FLAGS="-j16"
+
+# Autoclobber
+mk_add_options AUTOCLOBBER=1
+export AUTOCLOBBER=1
+
+# Set -Copt-level=3
+export OPT_LEVEL="3"
+ac_add_options OPT_LEVEL="3"
+export RUSTC_OPT_LEVEL="3"
+ac_add_options RUSTC_OPT_LEVEL="3"
+
+# Enable PGO/LTO
+export MOZ_LTO=1
+ac_add_options MOZ_LTO=1
+export MOZ_PGO=1
+ac_add_options MOZ_PGO=1
+
+## Compiler, Linker, and Rust flags
+export CFLAGS="-O3 -march=x86-64-v3"
+export CPPFLAGS="-O3 -march=x86-64-v3"
+export CXXFLAGS="-O3 -march=x86-64-v3"
+export LDFLAGS="-Wl,-O3 -march=x86-64-v3"
+# export MOZ_LTO_LDFLAGS="-Wl,-mllvm,-polly"
+export RUSTFLAGS="-C target-feature=+avx2"
+export VERBOSE=1
diff --git a/mozconfig-win-avx2 b/mozconfig-win-avx2
new file mode 100644
index 0000000..72ee3c1
--- /dev/null
+++ b/mozconfig-win-avx2
@@ -0,0 +1,109 @@
+## Copyright (c) 2023 Alex313031.
+
+## .mozconfig for compiling Mercury Browser for Windows natively
+
+# Build only Mercury
+ac_add_options --enable-application=browser
+ac_add_options --disable-artifact-builds
+
+# Build for Windows
+ac_add_options --enable-bootstrap
+ac_add_options --disable-update-agent
+# ac_add_options --disable-dmd
+# ac_add_options --disable-signmar
+# ac_add_options --disable-verify-mar
+
+CROSS_COMPILE=0
+export MOZ_INCLUDE_SOURCE_INFO=1
+
+# Optimization settings
+ac_add_options --enable-release
+ac_add_options --disable-debug
+ac_add_options --disable-debug-symbols
+ac_add_options --disable-debug-js-modules
+ac_add_options --disable-tests
+ac_add_options --enable-strip
+ac_add_options --enable-install-strip
+ac_add_options --enable-clang-plugin
+ac_add_options --enable-lto
+ac_add_options --enable-wasm-avx
+ac_add_options --enable-optimize="-O2 -O3 -march=x86-64-v3 -Xclang -O3"
+ac_add_options --enable-rust-simd
+ac_add_options --enable-hardening
+# ac_add_options --disable-trace-logging
+mk_add_options MOZ_OPTIMIZE=1
+MOZ_OPTIMIZE=1
+export MOZ_OPTIMIZE=1
+export STRIP_FLAGS="--strip-debug --strip-unneeded"
+
+# Media settings
+ac_add_options --enable-sandbox
+ac_add_options --enable-raw
+ac_add_options --enable-webrtc
+ac_add_options --enable-jxl
+ac_add_options --enable-av1
+ac_add_options --enable-eme=widevine
+
+# Add-ons
+ac_add_options --allow-addon-sideload
+ac_add_options --with-unsigned-addon-scopes=app,system
+
+# Client settings
+ac_add_options --disable-parental-controls
+ac_add_options --disable-crashreporter
+ac_add_options --disable-updater
+ac_add_options --disable-maintenance-service
+ac_add_options --without-wasm-sandboxed-libraries
+ac_add_options --disable-bits-download
+# ac_add_options --disable-default-browser-agent
+export MOZ_SOURCE_CHANGESET=${changeset}
+mk_add_options MOZ_CRASHREPORTER=0
+mk_add_options MOZ_DATA_REPORTING=0
+mk_add_options MOZ_SERVICES_HEALTHREPORT=0
+mk_add_options MOZ_TELEMETRY_REPORTING=0
+MOZ_CRASHREPORTER=0
+MOZ_DATA_REPORTING=0
+MOZ_REQUIRE_SIGNING=
+export MOZ_CRASHREPORTER=0
+export MOZ_DATA_REPORTING=0
+export MOZ_REQUIRE_SIGNING=
+
+# Installer
+export WIN32_REDIST_DIR="/c/Program Files/Microsoft Visual Studio/2022/Community/VC/Redist/MSVC/14.36.32532/x64/Microsoft.VC143.CRT"
+
+# Branding
+ac_add_options --with-app-name=mercury
+ac_add_options --with-app-basename=Mercury
+ac_add_options --with-branding=browser/branding/mercury
+ac_add_options --with-l10n-base="C:\mozilla-source\mozilla-unified\browser\locales\en-US"
+ac_add_options --with-distribution-id=com.alex313031.mercury
+# -app=/home/alex/bin/Mercury/application.ini
+
+# Make flags (set to number of CPU cores)
+mk_add_options MOZ_MAKE_FLAGS="-j16"
+export MOZ_MAKE_FLAGS="-j16"
+
+# Autoclobber
+mk_add_options AUTOCLOBBER=1
+export AUTOCLOBBER=1
+
+# Set -Copt-level=3
+export OPT_LEVEL="3"
+ac_add_options OPT_LEVEL="3"
+export RUSTC_OPT_LEVEL="3"
+ac_add_options RUSTC_OPT_LEVEL="3"
+
+# Enable PGO/LTO
+export MOZ_LTO=1
+ac_add_options MOZ_LTO=1
+export MOZ_PGO=1
+ac_add_options MOZ_PGO=1
+
+## Compiler, Linker, and Rust flags
+export CFLAGS="-O3 -march=x86-64-v3 /clang:-O3 /arch:AVX2"
+export CPPFLAGS="-O3 -march=x86-64-v3 /clang:-O3 /arch:AVX2"
+export CXXFLAGS="-O3 -march=x86-64-v3 /clang:-O3 /arch:AVX2"
+export LDFLAGS="-Wl,-O3 -march=x86-64-v3"
+# export MOZ_LTO_LDFLAGS="-mllvm:-polly"
+export RUSTFLAGS="-C target-feature=+avx2"
+export VERBOSE=1