diff --git a/.github/workflows/wpt.yml b/.github/workflows/wpt.yml
index fa463b75..d07233a6 100644
--- a/.github/workflows/wpt.yml
+++ b/.github/workflows/wpt.yml
@@ -2,6 +2,10 @@ name: wpt
 
 env:
   ARCH: x86_64-linux
+  AWS_ACCESS_KEY_ID: ${{ vars.LPD_PERF_AWS_ACCESS_KEY_ID }}
+  AWS_SECRET_ACCESS_KEY: ${{ secrets.LPD_PERF_AWS_SECRET_ACCESS_KEY }}
+  AWS_BUCKET: ${{ vars.LPD_PERF_AWS_BUCKET }}
+  AWS_REGION: ${{ vars.LPD_PERF_AWS_REGION }}
 
 on:
   push:
@@ -77,3 +81,42 @@ jobs:
         # We accept then to continue the job on failure.
         # TODO remove the continue-on-error when tests will pass.
         continue-on-error: true
+
+      - name: json output
+        run: zig build wpt -Dengine=v8 -- --safe --json > wpt.json
+
+      - name: write commit
+        run: |
+          echo "${{github.sha}}" > commit.txt
+
+      - name: upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: wpt-results
+          path: |
+            wpt.json
+            commit.txt
+          retention-days: 10
+
+  perf-fmt:
+    name: perf-fmt
+    needs: benchmark
+
+    # Don't execute on PR
+    if: github.event_name != 'pull_request'
+
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/lightpanda-io/perf-fmt:latest
+      credentials:
+       username: ${{ github.actor }}
+       password: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - name: download artifact
+        uses: actions/download-artifact@v3
+        with:
+          name: benchmark-results
+
+      - name: format and send json result
+        run: /perf-fmt wpt ${{ github.sha }} wpt.json