diff --git a/plugins/display/istats_diff.py b/plugins/display/istats_diff.py
new file mode 100644
index 0000000..897d2c4
--- /dev/null
+++ b/plugins/display/istats_diff.py
@@ -0,0 +1,98 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright Grégory Soutadé 2015
+
+# This file is part of iwla
+
+# iwla is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# iwla is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with iwla.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+from iwla import IWLA
+from iplugin import IPlugin
+from display import *
+import logging
+
+"""
+Display hook itnerface
+
+Enlight new and updated statistics
+
+Plugin requirements :
+    None
+
+Conf values needed :
+    None
+
+Output files :
+    None
+
+Statistics creation :
+    None
+
+Statistics update :
+    None
+
+Statistics deletion :
+    None
+"""
+
+class IWLADisplayStatsDiff(IPlugin):
+    def __init__(self, iwla):
+        super(IWLADisplayStatsDiff, self).__init__(iwla)
+        self.API_VERSION = 1
+        self.month_stats_key = None
+        # Set >= if month_stats[self.month_stats_key] is a list or a tuple
+        self.stats_index = -1
+        self.filename = None
+        self.block_name = None
+        self.logger = logging.getLogger(__name__)
+
+    def load(self):
+        if not self.month_stats_key or not self.filename or\
+                not self.block_name:
+            self.logger('Bad parametrization')
+            return False
+        month_stats = self.iwla.getMonthStats()
+        self.cur_stats = {k:v for (k,v) in month_stats.get(self.month_stats_key, {}).items()}
+        return True
+
+    def hook(self):
+        display = self.iwla.getDisplay()
+        month_stats = self.iwla.getMonthStats()
+
+        path = self.iwla.getCurDisplayPath(self.filename)
+        page = display.getPage(path)
+        if not page: return
+        title = self.iwla._(self.block_name)
+        block = page.getBlock(title)
+        if not block:
+            self.logger.error('Block %s not found' % (title))
+            return
+
+        stats_diff = {}
+        for (k, v) in month_stats[self.month_stats_key].items():
+            new_value = self.cur_stats.get(k, 0)
+            if new_value:
+                if self.stats_index != -1:
+                    if new_value[self.stats_index] != v[self.stats_index]:
+                        stats_diff[k] = 'iwla_update'
+                else:
+                    if new_value != v:
+                        stats_diff[k] = 'iwla_update'
+            else:
+                stats_diff[k] = 'iwla_new'
+
+        for (idx, row) in enumerate(block.rows):
+            if row[0] in stats_diff.keys():
+                block.setCellCSSClass(idx, 0, stats_diff[row[0]])
diff --git a/plugins/display/referers.py b/plugins/display/referers.py
index b7a14fb..1c4847a 100644
--- a/plugins/display/referers.py
+++ b/plugins/display/referers.py
@@ -197,7 +197,7 @@ class IWLADisplayReferers(IPlugin):
 
             total_search = [0]*2
             page = display.createPage(title, path, self.iwla.getConfValue('css_path', []))
-            table = display.createBlock(DisplayHTMLBlockTable, self.iwla._(u'All key phrases'), [self.iwla._(u'Key phrase'), self.iwla._(u'Search')])
+            table = display.createBlock(DisplayHTMLBlockTable, self.iwla._(u'Key phrases'), [self.iwla._(u'Key phrase'), self.iwla._(u'Search')])
             table.setColsCSSClass(['', 'iwla_search'])
             new_list = self.max_key_phrases and top_key_phrases[:self.max_key_phrases] or top_key_phrases
             for phrase in new_list:
diff --git a/plugins/display/referers_diff.py b/plugins/display/referers_diff.py
index f90c94d..8e63ecb 100644
--- a/plugins/display/referers_diff.py
+++ b/plugins/display/referers_diff.py
@@ -19,7 +19,7 @@
 #
 
 from iwla import IWLA
-from iplugin import IPlugin
+from istats_diff import IWLADisplayStatsDiff
 from display import *
 
 """
@@ -46,39 +46,16 @@ Statistics deletion :
     None
 """
 
-class IWLADisplayReferersDiff(IPlugin):
+class IWLADisplayReferersDiff(IWLADisplayStatsDiff):
     def __init__(self, iwla):
         super(IWLADisplayReferersDiff, self).__init__(iwla)
         self.API_VERSION = 1
         self.requires = ['IWLADisplayReferers']
+        self.month_stats_key = 'key_phrases'
+        self.filename = 'key_phrases.html'
+        self.block_name = u'Key phrases'
 
     def load(self):
         if not self.iwla.getConfValue('create_all_key_phrases_page', True):
             return False
-        month_stats = self.iwla.getMonthStats()
-        self.cur_key_phrases = {k:v for (k,v) in month_stats.get('key_phrases', {}).items()}
-        return True
-
-    def hook(self):
-        display = self.iwla.getDisplay()
-        month_stats = self.iwla.getMonthStats()
-
-        filename = 'key_phrases.html'
-        path = self.iwla.getCurDisplayPath(filename)
-        page = display.getPage(path)
-        if not page: return
-        title = self.iwla._(u'Key phrases')
-        referers_block = page.getBlock(title)
-
-        kp_diff = {}
-        for (k, v) in month_stats['key_phrases'].items():
-            new_value = self.cur_key_phrases.get(k, 0)
-            if new_value:
-                if new_value != v:
-                    kp_diff[k] = 'iwla_update'
-            else:
-                kp_diff[k] = 'iwla_new'
-
-        for (idx, row) in enumerate(referers_block.rows):
-            if row[0] in kp_diff.keys():
-                referers_block.setCellCSSClass(idx, 0, kp_diff[row[0]])
+        return super(IWLADisplayReferersDiff, self).load()