diff --git a/packages/pytest-simcore/src/pytest_simcore/helpers/playwright.py b/packages/pytest-simcore/src/pytest_simcore/helpers/playwright.py
index a1f3fbe874c..626481dee13 100644
--- a/packages/pytest-simcore/src/pytest_simcore/helpers/playwright.py
+++ b/packages/pytest-simcore/src/pytest_simcore/helpers/playwright.py
@@ -143,6 +143,7 @@ def to_json(self) -> str:
 
 
 SOCKETIO_MESSAGE_PREFIX: Final[str] = "42"
+_WEBSOCKET_MESSAGE_PREFIX: Final[str] = "📡OSPARC-WEBSOCKET: "
 
 
 @dataclass
@@ -165,20 +166,31 @@ def _configure_websocket_events(self) -> None:
         ) as ctx:
 
             def on_framesent(payload: str | bytes) -> None:
-                ctx.logger.debug("⬇️ Frame sent: %s", payload)
+                ctx.logger.debug(
+                    "%s⬇️ Frame sent: %s", _WEBSOCKET_MESSAGE_PREFIX, payload
+                )
 
             def on_framereceived(payload: str | bytes) -> None:
-                ctx.logger.debug("⬆️ Frame received: %s", payload)
+                ctx.logger.debug(
+                    "%s⬆️ Frame received: %s", _WEBSOCKET_MESSAGE_PREFIX, payload
+                )
 
             def on_close(_: WebSocket) -> None:
                 if self.auto_reconnect:
-                    ctx.logger.warning("⚠️ WebSocket closed. Attempting to reconnect...")
+                    ctx.logger.warning(
+                        "%s⚠️ WebSocket closed. Attempting to reconnect...",
+                        _WEBSOCKET_MESSAGE_PREFIX,
+                    )
                     self._attempt_reconnect(ctx.logger)
                 else:
-                    ctx.logger.warning("⚠️ WebSocket closed.")
+                    ctx.logger.warning(
+                        "%s⚠️ WebSocket closed.", _WEBSOCKET_MESSAGE_PREFIX
+                    )
 
             def on_socketerror(error_msg: str) -> None:
-                ctx.logger.error("❌ WebSocket error: %s", error_msg)
+                ctx.logger.error(
+                    "%s❌ WebSocket error: %s", _WEBSOCKET_MESSAGE_PREFIX, error_msg
+                )
 
             # Attach core event listeners
             self.ws.on("framesent", on_framesent)
diff --git a/packages/pytest-simcore/src/pytest_simcore/helpers/playwright_sim4life.py b/packages/pytest-simcore/src/pytest_simcore/helpers/playwright_sim4life.py
index d6ed037fdc9..81c95c2a357 100644
--- a/packages/pytest-simcore/src/pytest_simcore/helpers/playwright_sim4life.py
+++ b/packages/pytest-simcore/src/pytest_simcore/helpers/playwright_sim4life.py
@@ -98,6 +98,9 @@ class WaitForS4LDict(TypedDict):
     iframe: FrameLocator
 
 
+_WEBSOCKET_MESSAGE_S4L_PREFIX: Final[str] = "📡S4L-WEBSOCKET: "
+
+
 def wait_for_launched_s4l(
     page: Page,
     node_id,
@@ -137,6 +140,31 @@ def wait_for_launched_s4l(
             )
         s4l_websocket = ws_info.value
         ctx.logger.info("acquired S4L websocket!")
+
+        def on_framesent(payload: str | bytes) -> None:
+            ctx.logger.debug(
+                "%s⬇️ Frame sent: %s", _WEBSOCKET_MESSAGE_S4L_PREFIX, payload
+            )
+
+        def on_framereceived(payload: str | bytes) -> None:
+            ctx.logger.debug(
+                "%s⬆️ Frame received: %s", _WEBSOCKET_MESSAGE_S4L_PREFIX, payload
+            )
+
+        def on_close(_: WebSocket) -> None:
+            ctx.logger.warning("%s⚠️ WebSocket closed.", _WEBSOCKET_MESSAGE_S4L_PREFIX)
+
+        def on_socketerror(error_msg: str) -> None:
+            ctx.logger.error(
+                "%s❌ WebSocket error: %s", _WEBSOCKET_MESSAGE_S4L_PREFIX, error_msg
+            )
+
+        # Attach core event listeners
+        s4l_websocket.on("framesent", on_framesent)
+        s4l_websocket.on("framereceived", on_framereceived)
+        s4l_websocket.on("close", on_close)
+        s4l_websocket.on("socketerror", on_socketerror)
+
         return {
             "websocket": s4l_websocket,
             "iframe": s4l_iframe,