diff --git a/lavague-core/lavague/core/navigation.py b/lavague-core/lavague/core/navigation.py
index dade236f..69c58e2c 100644
--- a/lavague-core/lavague/core/navigation.py
+++ b/lavague-core/lavague/core/navigation.py
@@ -158,10 +158,19 @@ def get_nodes(self, query: str) -> List[str]:
 
         html = self.driver.get_html()
 
-        with time_profiler("Retriever Inference", html_size=len(html)):
+        retrieved_nodes_size = {"size": 0}
+
+        with time_profiler(
+            "Retriever Inference",
+            html_size=len(html),
+            retrieved_nodes_size=retrieved_nodes_size,
+        ):
             source_nodes = self.retriever.retrieve(
                 QueryBundle(query_str=query), [html], viewport_only
             )
+
+            retrieved_nodes_size["size"] = sum(len(node) for node in source_nodes)
+
         return source_nodes
 
     def add_knowledge(self, knowledge: str):
diff --git a/lavague-core/lavague/core/utilities/profiling.py b/lavague-core/lavague/core/utilities/profiling.py
index f3d84d8e..6d154df0 100644
--- a/lavague-core/lavague/core/utilities/profiling.py
+++ b/lavague-core/lavague/core/utilities/profiling.py
@@ -28,7 +28,11 @@ def clear_profiling_data():
 
 @contextmanager
 def time_profiler(
-    event_name, prompt_size=None, html_size=None, full_step_profiling=False
+    event_name,
+    prompt_size=None,
+    html_size=None,
+    retrieved_nodes_size=None,
+    full_step_profiling=False,
 ):
     """
     A context manager to profile the execution time of code blocks.
@@ -53,6 +57,11 @@ def time_profiler(
             "duration": duration,
             **({"prompt_size": prompt_size} if prompt_size is not None else {}),
             **({"html_size": html_size} if html_size is not None else {}),
+            **(
+                {"retrieved_nodes_size": retrieved_nodes_size["size"]}
+                if retrieved_nodes_size is not None
+                else {}
+            ),
         }
 
         # append the record to the appropriate list