diff --git a/.github/workflows/test-client.yml b/.github/workflows/test-client.yml
index 6373bc8801a..803bdb31ab0 100644
--- a/.github/workflows/test-client.yml
+++ b/.github/workflows/test-client.yml
@@ -159,3 +159,61 @@ jobs:
       - name: Mithril Stake Distribution / download & restore latest
         shell: bash
         run:  ${{ steps.command.outputs.mithril_client }}  ${{ steps.prepare.outputs.debug_level }} mithril-stake-distribution download $MITHRIL_STAKE_DISTRIBUTION_HASH --download-dir /app
+
+  test-mithril-client-wasm:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-22.04, macos-12, windows-latest ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+
+      - name: Prepare environment variables
+        id: prepare
+        shell: bash
+        run: |
+          if [[ -n "${{ inputs.commit_sha }}" ]]; then
+            echo "sha=${{ inputs.commit_sha }}" >> $GITHUB_OUTPUT
+          else
+            echo "branch=main" >> $GITHUB_OUTPUT
+          fi
+          
+          if [[ "${{ inputs.enable_debug }}" == "true" ]]; then
+            echo "debug_level=-vvv" >> $GITHUB_OUTPUT
+          fi
+          
+          echo "NETWORK=${{ inputs.network }}" >> $GITHUB_ENV
+          echo "AGGREGATOR_ENDPOINT=${{ inputs.aggregator_endpoint }}" >> $GITHUB_ENV
+          echo "GENESIS_VERIFICATION_KEY=$(curl -s ${{ inputs.genesis_verification_key }})" >> $GITHUB_ENV
+          
+      - name: Download built artifacts
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          name: mithril-distribution-wasm
+          path: ./
+          commit: ${{ steps.prepare.outputs.sha }} 
+          branch: ${{ steps.prepare.outputs.branch }}
+          workflow: ci.yml
+          workflow_conclusion: success
+
+      - name: Unpack 'mithril-client-wasm' package
+        working-directory: mithril-client-wasm
+        run:
+          tar -xvzf pkg/*.tgz -C pkg/ && mv pkg/package/* pkg/
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: 'npm'
+          cache-dependency-path: mithril-client-wasm/www-ci/package-lock.lock
+
+      - name: Install dependencies
+        working-directory: mithril-client-wasm
+        run: make www-test-install
+
+      - name: Build Explorer
+        working-directory: mithril-client-wasm
+        run: make www-test-serve
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