diff --git a/iwla.py b/iwla.py
index 2cd4c9e..9ad49d2 100755
--- a/iwla.py
+++ b/iwla.py
@@ -59,6 +59,9 @@ def serialize(obj, filename):
     if not os.path.exists(base):
         os.makedirs(base)
 
+    # TODO : remove return
+    return
+
     with open(filename + '.tmp', 'wb+') as f:
         pickle.dump(obj, f)
         f.seek(0)
@@ -95,10 +98,17 @@ def isPage(request):
     return False
 
 def appendHit(hit):
-    super_hit = current_visits['visits'][hit['remote_addr']]
+    remote_addr = hit['remote_addr']
+
+    if not remote_addr in current_visits['visits'].keys():
+        createUser(hit)
+        return
+
+    super_hit = current_visits['visits'][remote_addr]
     super_hit['pages'].append(hit)
     super_hit['bandwith'] += int(hit['body_bytes_sent'])
-    
+    super_hit['last_access'] = meta_visit['last_time']
+
     request = hit['extract_request']
 
     if 'extract_uri' in request.keys():
@@ -132,6 +142,7 @@ def createUser(hit):
     super_hit['not_viewed_pages'] = 0;
     super_hit['not_viewed_hits'] = 0;
     super_hit['bandwith'] = 0;
+    super_hit['last_access'] = meta_visit['last_time']
     super_hit['pages'] = [];
     super_hit['robot'] = isRobot(hit);
     appendHit(hit)
@@ -240,6 +251,11 @@ def generateDayStats():
         if last_day:
             for k in stats.keys():
                 stats[k] -= current_visits['days_stats'][last_day][k]
+            stats['nb_visitors'] = 0
+            for k in visits.keys():
+                if visits[k]['robot']: continue
+                if visits[k]['last_access'].tm_mday == cur_time.tm_mday:
+                    stats['nb_visitors'] += 1
     print stats
 
     current_visits['days_stats'][cur_time.tm_mday] = stats
@@ -280,11 +296,7 @@ def newHit(hit):
     for k in hit.keys():
         if hit[k] == '-': hit[k] = ''
 
-    remote_addr = hit['remote_addr']
-    if remote_addr in current_visits['visits'].keys():
-        appendHit(hit)
-    else:
-        createUser(hit)
+    appendHit(hit)
 
     return True
 
@@ -310,6 +322,7 @@ for l in f:
 f.close();
 
 if analyse_started:
+    generateDayStats()
     generateMonthStats()
     serialize(meta_visit, META_PATH)
 else: