diff --git a/src/agenda_culturel/calendar.py b/src/agenda_culturel/calendar.py
index 9b88dd2..84adcc4 100644
--- a/src/agenda_culturel/calendar.py
+++ b/src/agenda_culturel/calendar.py
@@ -269,7 +269,7 @@ class CalendarList:
             Q(other_versions__representative__isnull=True)
         ).order_by("start_time", "title__unaccent__lower")
         
-        qs = qs.select_related("exact_location").select_related("category").select_related("other_versions").select_related("other_versions__representative")
+        qs = qs.select_related("category").select_related("other_versions").select_related("other_versions__representative")
         self.events = qs
 
         firstdate = datetime.fromordinal(self.c_firstdate.toordinal())
diff --git a/src/agenda_culturel/models.py b/src/agenda_culturel/models.py
index b6bfeed..e1f2505 100644
--- a/src/agenda_culturel/models.py
+++ b/src/agenda_culturel/models.py
@@ -285,7 +285,7 @@ class Tag(models.Model):
             result = ((_('Suggestions'), [(t["tag"], t["tag"]) for t in tags1]),
                     (_('Others'), [(t["tag"], t["tag"]) for t in tags2]))
             
-            cache.set(id_cache, result, 300) # 5mn
+            cache.set(id_cache, result, 3000) # 50mn
         return result
 
     def __str__(self):
@@ -1825,7 +1825,7 @@ class Event(models.Model):
 
     def get_concurrent_events(self, remove_same_dup=True):
         day = self.current_date if hasattr(self, "current_date") else self.start_day
-        day_events = CalendarDay(day, qs = Event.objects.filter(status=Event.STATUS.PUBLISHED)).get_events()
+        day_events = CalendarDay(day, qs = Event.objects.filter(status=Event.STATUS.PUBLISHED).only("start_day", "start_time", "title", "category", "other_versions", "recurrences", "end_day", "end_time", "uuids")).get_events()
         return [
             e
             for e in day_events
diff --git a/src/agenda_culturel/views.py b/src/agenda_culturel/views.py
index 07ec891..f182e29 100644
--- a/src/agenda_culturel/views.py
+++ b/src/agenda_culturel/views.py
@@ -214,7 +214,7 @@ def month_view(request, year=None, month=None, cat=None):
         month = now.month
 
     request = EventFilter.set_default_values(request)
-    qs = get_event_qs(request)
+    qs = get_event_qs(request).only("title", "start_day", "start_time", "category", "other_versions", "recurrences", "end_day", "end_time", "uuids", "status", "tags")
     if cat is not None:
         category = Category.objects.filter(slug=cat).first()
         qs = qs.filter(category=category)
@@ -246,7 +246,7 @@ def week_view(request, year=None, week=None, home=False, cat=None):
         week = now.isocalendar()[1]
 
     request = EventFilter.set_default_values(request)
-    qs = get_event_qs(request)
+    qs = get_event_qs(request).select_related("exact_location")
     if cat is not None:
         category = Category.objects.filter(slug=cat).first()
         qs = qs.filter(category=category)
@@ -282,7 +282,7 @@ def upcoming_events(request, year=None, month=None, day=None, neighsize=1, cat=N
     day = day + timedelta(days=neighsize)
 
     request = EventFilter.set_default_values(request)
-    qs = get_event_qs(request)
+    qs = get_event_qs(request).select_related("exact_location")
     if cat is not None:
         category = Category.objects.filter(slug=cat).first()
         qs = qs.filter(category=category)