feat: Add first WIP for engine load time

searx/results.py

@@ -441,5 +441,8 @@ class ResultContainer:
     def add_timing(self, engine_name: str, engine_time: float, page_load_time: float):
         self.timings.append(Timing(engine_name, total=engine_time, load=page_load_time))
 
-    def get_timings(self):
+    def get_timings(self) -> List[Timing]:
         return self.timings
+
+    def get_longest_loading_time(self) -> Timing:
+        return max(self.timings, key=itemgetter(1))

searx/templates/simple/results.html

@@ -35,7 +35,22 @@
     <div id="sidebar">
 
         {%- if number_of_results != '0' -%}
-        <p id="result_count"><small>{{ _('Number of results') }}: {{ number_of_results }}</small></p>
+        <p id="result_count">
+            <small>{{ _('Number of results') }}: {{ number_of_results }}</small>
+        </p>
+        <details>
+            <summary>
+                <small>Longest loading time: {{ longest_loading_time.load }} from {{ longest_loading_time.engine }}</small>
+            </summary>
+            <div>
+                <ul>
+                    {% for timing in loading_times %}
+                        <li>
+                            <small>{{ timing.load }} from {{ timing.engine }}</small>
+                        </li>
+                    {% endfor %}
+                </ul>
+        </details>
         {%- endif -%}
 
         {%- if infoboxes -%}

searx/webapp.py

@@ -673,7 +673,9 @@ def search():
 
     # 2. add Server-Timing header for measuring performance characteristics of
     # web applications
-    request.timings = result_container.get_timings()  # pylint: disable=assigning-non-slot
+    timings = result_container.get_timings()
+    request.timings = timings
+    longest_loading_time = result_container.get_longest_loading_time()
 
     # 3. formats without a template
 
@@ -791,7 +793,9 @@ def search():
             settings['search']['languages'],
             fallback=request.preferences.get_value("language")
         ),
-        timeout_limit = request.form.get('timeout_limit', None)
+        timeout_limit = request.form.get('timeout_limit', None),
+        longest_loading_time = longest_loading_time,
+        loading_times = timings,
         # fmt: on
     )