--- a/cmpuqrct/settings/base.py	Mon Sep 02 03:20:10 2013 +0300
+++ b/cmpuqrct/settings/base.py	Mon Sep 02 03:50:34 2013 +0300
@@ -10,6 +10,14 @@
 
 }
 
+# Use a very conservative cache without any proper invalidation
+CACHES = {
+    'default': {
+        'BACKEND':  'django.core.cache.backends.locmem.LocMemCache',
+        'TIMEOUT':  5*60, # 5min
+    }
+}
+
 # Hosts/domain names that are valid for this site; required if DEBUG is False
 # See https://docs.djangoproject.com/en/1.5/ref/settings/#allowed-hosts
 ALLOWED_HOSTS = []

--- a/qrurls/views.py	Mon Sep 02 03:20:10 2013 +0300
+++ b/qrurls/views.py	Mon Sep 02 03:50:34 2013 +0300
@@ -1,3 +1,4 @@
+from django.core.cache import cache
 from django.http import HttpResponse, HttpResponseRedirect, Http404
 from django.shortcuts import render
 from django.utils import timezone, http
@@ -34,10 +35,10 @@
     # match for published items
     now = timezone.now()
     url_item = url_item.filter(published__lt=now).order_by('-published')
-    
-    if item_id:
+   
+    if item_id :
         return url_item.get(id=int(item_id))
-    else:
+    else :
         # most recent
         try:
             return url_item[0]
@@ -54,14 +55,24 @@
     """
         Primary frontend for redirecting based on current time.
     """
+    
+    key = 'qrurls/urlfeed/{}/url'.format(opts)
+    data = cache.get(key)
+    
+    if data :
+        url, modified = data
+    else:
+        url_item = _get_url_item(**opts)
+        modified = url_item.last_modified()
+        url = url_item.get_absolute_url()
 
-    url_item = _get_url_item(**opts)
+        cache.set(key, (url, modified)) # XXX: expiry
 
     # redirect, either directly, or to image()
-    response = HttpResponseRedirect(url_item.get_absolute_url())
+    response = HttpResponseRedirect(url)
 
     # set cache
-    response['Last-Modified'] = http_datetime(url_item.last_modified())
+    response['Last-Modified'] = http_datetime(modified)
     return response
     
 def item (request, **opts) :