diff --git a/boards/models/tag.py b/boards/models/tag.py
--- a/boards/models/tag.py
+++ b/boards/models/tag.py
@@ -125,6 +125,7 @@ class Tag(models.Model, Viewable):
     def get_archived_thread_count(self) -> int:
         return self.get_thread_count(status=STATUS_ARCHIVE)
 
+    @cached_result()
     def get_absolute_url(self):
         return reverse('tag', kwargs={'tag_name': self.get_name()})