diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bdb20ce5ed..54bbc951b8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,12 @@
 name: CI
 on: [push, pull_request]
 
+# we dont run compression extension
+# in regular CI because it is a
+# time consuming operation.
+# we delegate it to manually triggered CI
+# and only run base autobahn tests here.
+
 jobs:
   build:
     strategy:
@@ -201,16 +207,54 @@ jobs:
           nimble install -y --depsOnly
           nimble test
 
+  autobahn-test:
+    if: github.event_name == 'push'
+    name: "Autobahn test suite"
+    runs-on: ubuntu-20.04
+
+    strategy:
+      fail-fast: false
+      max-parallel: 20
+      matrix:
+        websock: [ws, wsc, wss, wssc]
+
+    steps:
+      - name: Checkout nim-websock
+        uses: actions/checkout@v2
+        with:
+          path: nim-websock
+          submodules: true
+
+      - name: Get latest nimbus-build-system commit hash
+        id: versions
+        shell: bash
+        run: |
+          getHash() {
+            git ls-remote "https://github.com/$1" "${2:-HEAD}" | cut -f 1
+          }
+          nbsHash=$(getHash status-im/nimbus-build-system)
+          echo "::set-output name=nimbus_build_system::$nbsHash"
+
+      - name: Restore prebuilt Nim from cache
+        id: nim-cache
+        uses: actions/cache@v2
+        with:
+          path: NimBinaries
+          key: 'NimBinaries-${{ steps.versions.outputs.nimbus_build_system }}'
+
+      - name: Build Nim and associated tools
+        shell: bash
+        run: |
+          curl -O -L -s -S https://raw.githubusercontent.com/status-im/nimbus-build-system/master/scripts/build_nim.sh
+          env MAKE="make -j2" ARCH_OVERRIDE=x64 CC=gcc bash build_nim.sh nim csources dist/nimble NimBinaries
+          echo '${{ github.workspace }}/nim/bin' >> $GITHUB_PATH
+
       - name: Setup Python version
-        if: runner.os == 'linux' && matrix.target.cpu == 'amd64' && github.event_name == 'push'
         uses: actions/setup-python@v2
         with:
           python-version: pypy-2.7
 
-      - name: Setup and run Autobahn test suite.
-        # we switch to linux because
-        # kill $(pidof server) not working on macos
-        if: runner.os == 'linux' && matrix.target.cpu == 'amd64' && github.event_name == 'push'
+      - name: Setup Autobahn.
         run: |
           sudo apt-get install -y python-dev
           pip install virtualenv
@@ -218,51 +262,83 @@ jobs:
           virtualenv --python=/usr/bin/python2 autobahn
           source autobahn/bin/activate
           pip install autobahntestsuite
+          cd nim-websock
+          nimble install -y --depsOnly
+
+      - name: Generate index.html
+        if: matrix.websock == 'ws'
+        run: |
           cd nim-websock
           mkdir autobahn/reports
           sed -i "s/COMMIT_SHA_SHORT/${GITHUB_SHA::7}/g" autobahn/index.md
           sed -i "s/COMMIT_SHA/$GITHUB_SHA/g" autobahn/index.md
           markdown2 autobahn/index.md > autobahn/reports/index.html
 
-          nim c -d:release examples/server.nim
-          examples/server &
-          server1=$!
+      - name: Run Autobahn test suite.
+        run: |
+          source autobahn/bin/activate
+          case '${{ matrix.websock }}' in
+            ws)
+              cd nim-websock
+              nim c -d:release examples/server.nim
+              examples/server &
+              server=$!
 
-          nim c -d:tls -d:release -o:examples/tls_server examples/server.nim
-          examples/tls_server &
-          server2=$!
+              cd autobahn
+              wstest --mode fuzzingclient --spec fuzzingclient.json
+            ;;
+            wsc)
+              cd nim-websock
+              nim c -d:tls -d:release -o:examples/tls_server examples/server.nim
+              examples/tls_server &
+              server=$!
 
-          cd autobahn
-          wstest --webport=0 --mode fuzzingserver --spec fuzzingserver.json &
-          server3=$!
+              cd autobahn
+              wstest --mode fuzzingclient --spec fuzzingclient_tls.json
+            ;;
+            wss)
+              cd nim-websock/autobahn
+              wstest --webport=0 --mode fuzzingserver --spec fuzzingserver.json &
+              server=$!
 
-          wstest --webport=0 --mode fuzzingserver --spec fuzzingserver_tls.json &
-          server4=$!
+              cd ..
+              nim c -d:release examples/autobahn_client
+              examples/autobahn_client
+            ;;
+            wssc)
+              cd nim-websock/autobahn
+              wstest --webport=0 --mode fuzzingserver --spec fuzzingserver_tls.json &
+              server=$!
 
-          wstest --mode fuzzingclient --spec fuzzingclient.json &
-          client1=$!
+              cd ..
+              nim c -d:tls -d:release -o:examples/autobahn_tlsclient examples/autobahn_client
+              examples/autobahn_tlsclient
+            ;;
+          esac
 
-          wstest --mode fuzzingclient --spec fuzzingclient_tls.json &
-          client2=$!
+          kill $server
 
-          cd ..
-          nim c -d:release examples/autobahn_client
-          examples/autobahn_client &
-          client3=$!
+      - name: Upload Autobahn result
+        uses: actions/upload-artifact@v2
+        with:
+          name: autobahn-report
+          path: ./nim-websock/autobahn/reports
 
-          nim c -d:tls -d:release -o:examples/autobahn_tlsclient examples/autobahn_client
-          examples/autobahn_tlsclient &
-          client4=$!
+  deploy-test:
+    if: github.event_name == 'push'
+    name: "Deplay Autobahn results"
+    needs: autobahn-test
+    runs-on: ubuntu-latest
+    steps:
 
-          wait $client1 $client2 $client3 $client4
-          kill $server1
-          kill $server2
-          kill $server3
-          kill $server4
+      - name: Download Autobahn reports
+        uses: actions/download-artifact@v2
+        with:
+          name: autobahn-report
+          path: ./autobahn_reports
 
       - name: Deploy autobahn report.
-        if: runner.os == 'linux' && matrix.target.cpu == 'amd64' && github.event_name == 'push'
         uses: peaceiris/actions-gh-pages@v3
         with:
           personal_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./nim-websock/autobahn/reports
+          publish_dir: ./autobahn_reports