diff --git a/iwla.py b/iwla.py
index 3d9fd73..2a2431e 100755
--- a/iwla.py
+++ b/iwla.py
@@ -31,7 +31,7 @@ import argparse
 import logging
 import gettext
 from calendar import monthrange
-from datetime import date
+from datetime import date, datetime
 
 import default_conf as conf
 import conf as _
@@ -136,6 +136,7 @@ class IWLA(object):
         self.meta_infos = {}
         self.analyse_started = False
         self.current_analysis = {}
+        self.start_time = 0
         self.cache_plugins = {}
         self.display = DisplayHTMLBuild(self)
         self.valid_visitors = None
@@ -484,8 +485,15 @@ class IWLA(object):
 
         page = self.display.createPage(title, filename, conf.css_path)
 
-        last_update = '<b>%s</b> %s<br />' % (self._('Last update'), time.strftime('%02d %b %Y %H:%M', time.localtime()))
+        last_update = u'<b>%s</b> %s<br />' % (self._(u'Last update'), time.strftime('%02d %b %Y %H:%M', time.localtime()))
         page.appendBlock(self.display.createBlock(DisplayHTMLRaw, last_update))
+        duration = datetime.now() - self.start_time
+        duration = time.gmtime(duration.seconds)
+        time_analysis = u'<b>%s</b> ' % (self._('Time analysis'))
+        if duration.tm_hour:
+            time_analysis += u'%d %s, ' % (duration.tm_hour, self._(u'hours'))
+        time_analysis += u'%d %s and %d %s<br />' % (duration.tm_min, self._(u'minutes'), duration.tm_sec, self._(u'seconds'))
+        page.appendBlock(self.display.createBlock(DisplayHTMLRaw, time_analysis))
 
         for year in sorted(self.meta_infos['stats'].keys(), reverse=True):
             self._generateDisplayMonthStats(page, year, self.meta_infos['stats'][year])
@@ -654,6 +662,8 @@ class IWLA(object):
         return True
 
     def start(self, _file):
+        self.start_time = datetime.now()
+
         self.logger.info('==> Load previous database')
 
         self.meta_infos = self._deserialize(conf.META_PATH) or self._clearMeta()