diff --git a/docs/conf.py b/docs/conf.py
index a0082a3af..9554a6c1c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -53,5 +53,85 @@
 command = 'mkdir {0}/build; cd {0}/build; cmake ../ -DClang_DIR=/usr/lib/llvm-16/build/lib/cmake/clang\
          -DLLVM_DIR=/usr/lib/llvm-16/build/lib/cmake/llvm -DCPPINTEROP_ENABLE_DOXYGEN=ON\
          -DCPPINTEROP_INCLUDE_DOCS=ON'.format(CPPINTEROP_ROOT)
+command_emscripten = 'git clone https://github.com/emscripten-core/emsdk.git {0}/emsdk;\
+                {0}/emsdk/emsdk install  3.1.73;\
+                {0}/emsdk/emsdk activate 3.1.73;\
+                cd {0}/emsdk/;\
+                export PATH="{0}/emsdk/upstream/emscripten:$PATH";\
+                export SYSROOT_PATH={0}/emsdk/upstream/emscripten/cache/sysroot;\
+                git clone --depth=1 --branch release/20.x https://github.com/llvm/llvm-project.git {0}/llvm-project;\
+                cd {0}/llvm-project;\
+                git apply -v {0}/patches/llvm/emscripten-clang20-*.patch;\
+                mkdir {0}/llvm-project/native_build;\
+                cd {0}/llvm-project/native_build;\
+                cmake -DLLVM_ENABLE_PROJECTS=clang -DLLVM_TARGETS_TO_BUILD=host -DCMAKE_BUILD_TYPE=Release {0}/llvm-project/llvm;\
+                cmake --build . --target llvm-tblgen clang-tblgen --parallel $(nproc --all);\
+                export NATIVE_DIR={0}/llvm-project/native_build/bin/;\
+                mkdir {0}/llvm-project/build;\
+                cd {0}/llvm-project/build;\
+                emcmake cmake -DCMAKE_BUILD_TYPE=Release \
+                        -DLLVM_HOST_TRIPLE=wasm32-unknown-emscripten \
+                        -DLLVM_ENABLE_ASSERTIONS=ON                        \
+                        -DLLVM_TARGETS_TO_BUILD="WebAssembly" \
+                        -DLLVM_ENABLE_LIBEDIT=OFF \
+                        -DLLVM_ENABLE_PROJECTS="clang;lld" \
+                        -DLLVM_ENABLE_ZSTD=OFF \
+                        -DLLVM_ENABLE_LIBXML2=OFF \
+                        -DCLANG_ENABLE_STATIC_ANALYZER=OFF \
+                        -DCLANG_ENABLE_ARCMT=OFF \
+                        -DCLANG_ENABLE_BOOTSTRAP=OFF \
+                        -DCMAKE_CXX_FLAGS="-Dwait4=__syscall_wait4" \
+                        -DLLVM_INCLUDE_BENCHMARKS=OFF                   \
+                        -DLLVM_INCLUDE_EXAMPLES=OFF                     \
+                        -DLLVM_INCLUDE_TESTS=OFF                        \
+                        -DLLVM_ENABLE_THREADS=OFF                       \
+                        -DLLVM_BUILD_TOOLS=OFF                          \
+                        -DLLVM_ENABLE_LIBPFM=OFF                        \
+                        -DCLANG_BUILD_TOOLS=OFF                         \
+                        -DLLVM_NATIVE_TOOL_DIR=$NATIVE_DIR              \
+                        {0}/llvm-project/llvm;\
+                emmake make libclang -j $(nproc --all);\
+                emmake make clangInterpreter clangStaticAnalyzerCore -j $(nproc --all);\
+                emmake make lldWasm -j $(nproc --all);\
+                export LLVM_BUILD_DIR={0}/llvm-project/build;\
+                mkdir {0}/build_native;\
+                cd {0};\
+                micromamba create -f environment-wasm.yml --platform=emscripten-wasm32;\
+                micromamba activate CppInterOp-wasm;\
+                export PREFIX=$CONDA_PREFIX;\
+                export CMAKE_PREFIX_PATH=$PREFIX;\
+                export CMAKE_SYSTEM_PREFIX_PATH=$PREFIX;\
+                cd {0}/build_native;\
+                emcmake cmake -DCMAKE_BUILD_TYPE=Release    \
+                -DLLVM_DIR=$LLVM_BUILD_DIR/lib/cmake/llvm      \
+                -DLLD_DIR=$LLVM_BUILD_DIR/lib/cmake/lld     \
+                -DClang_DIR=$LLVM_BUILD_DIR/lib/cmake/clang     \
+                -DBUILD_SHARED_LIBS=ON                      \
+                -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ON            \
+                -DCMAKE_INSTALL_PREFIX=$PREFIX         \
+                -DSYSROOT_PATH=$SYSROOT_PATH                                   \
+                {0};\
+                emake make -j $(nproc --all) install;\
+                cd {0};\
+                git clone --depth=1 https://github.com/compiler-research/xeus-cpp.git {0}/xeus-cpp;\
+                mkdir {0}/xeus-cpp/build;\
+                cd {0}/xeus-cpp/build;\
+                emcmake cmake \
+                        -DCMAKE_BUILD_TYPE=Release                                     \
+                        -DCMAKE_PREFIX_PATH=$PREFIX                                    \
+                        -DCMAKE_INSTALL_PREFIX=$PREFIX                                 \
+                        -DXEUS_CPP_EMSCRIPTEN_WASM_BUILD=ON                            \
+                        -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ON                         \
+                        -DXEUS_CPP_RESOURCE_DIR=$LLVM_BUILD_DIR/lib/clang/$LLVM_VERSION \
+                        -DSYSROOT_PATH=$SYSROOT_PATH                                   \
+                {0}/xeus-cpp/;\
+                emmake make -j $(nproc --all) install;\
+                cd {0};\
+                micromamba create -n xeus-lite-host jupyterlite-core -c conda-forge;\
+                micromamba activate xeus-lite-host;\
+                python -m pip install jupyterlite-xeus jupyter_server;\
+                jupyter lite build --XeusAddon.prefix=$PREFIX --contents xeus-cpp/notebooks/xeus-cpp-lite-demo.ipynb --contents notebooks/smallpt.ipynb --contents notebooks/images/marie.png --contents notebooks/audio/audio.wav --output-dir  $READTHEDOCS_OUTPUT/html/xeus-cpp; '.format(CPPINTEROP_ROOT)
 subprocess.call(command, shell=True)
 subprocess.call('doxygen {0}/build/docs/doxygen.cfg'.format(CPPINTEROP_ROOT), shell=True)
+subprocess.call('doxygen {0}/build/docs/doxygen.cfg'.format(CPPINTEROP_ROOT), shell=True)
+subprocess.call(command_emscripten.format(CPPINTEROP_ROOT), shell=True)