diff --git a/searx/metrics/__init__.py b/searx/metrics/__init__.py
index 2932ae92c..245490564 100644
--- a/searx/metrics/__init__.py
+++ b/searx/metrics/__init__.py
@@ -13,7 +13,7 @@ from .error_recorder import count_error, count_exception, errors_per_engines
 
 __all__ = [
     "initialize",
-    "get_engines_stats",
+    "get_engines_metrics",
     "get_engine_errors",
     "histogram",
     "histogram_observe",
@@ -189,7 +189,36 @@ def get_reliabilities(engline_name_list, checker_results) -> Dict[str, EngineRel
     return reliabilities
 
 
-def get_engines_stats(engine_name_list):
+class EngineStat(TypedDict):
+    """Metrics for one engine. To do: check the types"""
+
+    name: str
+    total: Optional[float]
+    total_p80: Optional[float]
+    totla_p95: Optional[float]
+    http: Optional[float]
+    http_p80: Optional[float]
+    http_p95: Optional[float]
+    processing: Optional[float]
+    processing_p80: Optional[float]
+    processing_p95: Optional[float]
+    score: float
+    score_per_result: float
+    result_count: int
+
+
+class EngineStatResult(TypedDict):
+    time: List[EngineStat]
+    """List of engine stat"""
+
+    max_time: float
+    """Maximum response time for all the engines"""
+
+    max_result_count: int
+    """Maximum number of result for all the engines"""
+
+
+def get_engines_metrics(engine_name_list) -> EngineStatResult:
     assert counter_storage is not None
     assert histogram_storage is not None
 
diff --git a/searx/webapp.py b/searx/webapp.py
index bf7e5dcd8..929910ca5 100755
--- a/searx/webapp.py
+++ b/searx/webapp.py
@@ -103,7 +103,7 @@ from searx.answerers import (
     ask,
 )
 from searx.metrics import (
-    get_engines_stats,
+    get_engines_metrics,
     get_engine_errors,
     get_reliabilities,
     histogram,
@@ -1222,7 +1222,7 @@ def stats():
         checker_results['engines'] if checker_results['status'] == 'ok' and 'engines' in checker_results else {}
     )
 
-    engine_stats = get_engines_stats(filtered_engines)
+    engine_metrics = get_engines_metrics(filtered_engines)
     engine_reliabilities = get_reliabilities(filtered_engines, checker_results)
 
     if sort_order not in STATS_SORT_PARAMETERS:
@@ -1242,12 +1242,12 @@ def stats():
                 reliability_order = 1 - reliability_order
         return (reliability_order, key, engine_stat['name'])
 
-    engine_stats['time'] = sorted(engine_stats['time'], reverse=reverse, key=get_key)
+    engine_metrics['time'] = sorted(engine_metrics['time'], reverse=reverse, key=get_key)
     return render(
         # fmt: off
         'stats.html',
         sort_order = sort_order,
-        engine_stats = engine_stats,
+        engine_stats = engine_metrics,
         engine_reliabilities = engine_reliabilities,
         selected_engine_name = selected_engine_name,
         searx_git_branch = GIT_BRANCH,