Optimized feed loading, prefetch images and thread

boards/views/feed.py

@@ -30,7 +30,8 b' class FeedView(PostMixin, BaseBoardView)'
     def get(self, request, page=DEFAULT_PAGE):
         params = self.get_context_data(request=request)
 
-        paginator = get_paginator(Post.objects.order_by('-pub_time'), 10)
+        paginator = get_paginator(Post.objects.order_by('-pub_time')
+                .prefetch_related('images', 'thread', 'threads'), 10)
         paginator.current_page = int(page)
 
         params[PARAMETER_POSTS] = paginator.page(page).object_list