diff --git a/display.py b/display.py
index b5a5bc0..2eaab86 100644
--- a/display.py
+++ b/display.py
@@ -364,7 +364,7 @@ class DisplayHTMLPage(object):
         for block in self.blocks:
             block.build(f, filters=filters)
         if displayVersion:
-            f.write(u'<center>Generated by <a href="%s">IWLA %s</a></center>' %
+            f.write(u'<span style="text-align:center">Generated by <a href="%s">IWLA %s</a></span>' %
                     ("http://indefero.soutade.fr/p/iwla", self.iwla.getVersion()))
         f.write(u'</body></html>')
         f.close()
diff --git a/plugins/display/browsers.py b/plugins/display/browsers.py
index 3d1202d..cfe15a3 100644
--- a/plugins/display/browsers.py
+++ b/plugins/display/browsers.py
@@ -83,11 +83,11 @@ class IWLADisplayBrowsers(IPlugin):
             for (browser, entrance) in new_list:
                 if browser != 'unknown':
                     try:
-                        icon = '<img src="/%s/browser/%s.png"/>' % (self.icon_path, awstats_data.browsers_icons[self.icon_names[browser]])
+                        icon = '<img alt="Browser icon" src="/%s/browser/%s.png"/>' % (self.icon_path, awstats_data.browsers_icons[self.icon_names[browser]])
                     except:
-                        icon = '<img src="/%s/browser/unknown.png"/>' % (self.icon_path)
+                        icon = '<img alt="Browser icon" src="/%s/browser/unknown.png"/>' % (self.icon_path)
                 else:
-                    icon = '<img src="/%s/browser/unknown.png"/>' % (self.icon_path)
+                    icon = '<img alt="Browser icon" src="/%s/browser/unknown.png"/>' % (self.icon_path)
                     browser = 'Unknown'
                 table.appendRow([icon, browser, entrance])
                 total_browsers[2] += entrance
@@ -115,11 +115,11 @@ class IWLADisplayBrowsers(IPlugin):
         for (browser, entrance) in browsers[:10]:
             if browser != 'unknown':
                 try:
-                    icon = '<img src="/%s/browser/%s.png"/>' % (self.icon_path, awstats_data.browsers_icons[self.icon_names[browser]])
+                    icon = '<img alt="Browser icon" src="/%s/browser/%s.png"/>' % (self.icon_path, awstats_data.browsers_icons[self.icon_names[browser]])
                 except:
-                    icon = '<img src="/%s/browser/unknown.png"/>' % (self.icon_path)
+                    icon = '<img alt="Browser icon" src="/%s/browser/unknown.png"/>' % (self.icon_path)
             else:
-                icon = '<img src="/%s/browser/unknown.png"/>' % (self.icon_path)
+                icon = '<img alt="Browser icon" src="/%s/browser/unknown.png"/>' % (self.icon_path)
                 browser = self.iwla._(u'Unknown')
             table.appendRow([icon, browser, entrance])
             total_browsers[2] -= entrance
diff --git a/plugins/display/ip_to_geo.py b/plugins/display/ip_to_geo.py
index 97433a3..d104a64 100644
--- a/plugins/display/ip_to_geo.py
+++ b/plugins/display/ip_to_geo.py
@@ -54,7 +54,7 @@ class IWLADisplayTopGeo(IPlugin):
     def __init__(self, iwla):
         super(IWLADisplayTopGeo, self).__init__(iwla)
         self.API_VERSION = 1
-        self.requires = ['IWLAPostAnalysisIPToGeo']
+        #self.requires = ['IWLAPostAnalysisIPToGeo']
 
     def load(self):
         self.icon_path = self.iwla.getConfValue('icon_path', '/')
@@ -65,7 +65,7 @@ class IWLADisplayTopGeo(IPlugin):
 
         return True
 
-    @staticmethod # Needed to have unbound methd
+    @staticmethod # Needed to have unbound method
     def FlagFilter(host, self):
         cc = None
         host_name = host.split(' ')[0] # hostname or ip
@@ -77,7 +77,7 @@ class IWLADisplayTopGeo(IPlugin):
                     cc = visitor.get('country_code', None)
                     break
         if not cc or cc == 'ip': return None
-        icon = '<img src="/%s/flags/%s.png"/>' % (self.icon_path, cc)
+        icon = '<img alt="Country flag" src="/%s/flags/%s.png"/>' % (self.icon_path, cc)
         return '%s %s' % (icon ,host)
     
     def hook(self):
@@ -96,7 +96,7 @@ class IWLADisplayTopGeo(IPlugin):
             table = display.createBlock(DisplayHTMLBlockTable, self.iwla._(u'Countries'), ['', self.iwla._(u'Country'), self.iwla._(u'Visitors')])
             table.setColsCSSClass(['', '', 'iwla_hit'])
             for (cc, visitors) in geo:
-                icon = '<img src="/%s/flags/%s.png"/>' % (self.icon_path, cc)
+                icon = '<img alt="Country flag" src="/%s/flags/%s.png"/>' % (self.icon_path, cc)
                 table.appendRow([icon, cc, visitors])
             table.computeRatio(2)
             page.appendBlock(table)
@@ -114,7 +114,7 @@ class IWLADisplayTopGeo(IPlugin):
         table = display.createBlock(DisplayHTMLBlockTable, title, ['', self.iwla._(u'Countries'), self.iwla._(u'Visitors')])        
         table.setColsCSSClass(['', '', 'iwla_hit'])
         for (cc, visitors) in geo[:10]:
-            icon = '<img src="/%s/flags/%s.png"/>' % (self.icon_path, cc)
+            icon = '<img alt="Country flag" src="/%s/flags/%s.png"/>' % (self.icon_path, cc)
             table.appendRow([icon, cc, visitors])
         table.computeRatio(2)
         index.appendBlock(table)
diff --git a/plugins/display/operating_systems.py b/plugins/display/operating_systems.py
index 0b4324f..dfb88c3 100644
--- a/plugins/display/operating_systems.py
+++ b/plugins/display/operating_systems.py
@@ -78,7 +78,7 @@ class IWLADisplayTopOperatingSystems(IPlugin):
             table = display.createBlock(DisplayHTMLBlockTable, self.iwla._(u'Operating Systems'), ['', self.iwla._(u'Operating System'), self.iwla._(u'Entrance')])
             table.setColsCSSClass(['', '', 'iwla_hit'])
             for (os_name, entrance) in operating_systems:
-                icon = '<img src="/%s/os/%s.png"/>' % (self.icon_path, os_name)
+                icon = '<img alt="Operating system icon" src="/%s/os/%s.png"/>' % (self.icon_path, os_name)
                 table.appendRow([icon, os_name, entrance])
             page.appendBlock(table)
 
@@ -95,7 +95,7 @@ class IWLADisplayTopOperatingSystems(IPlugin):
         table = display.createBlock(DisplayHTMLBlockTable, title, ['', self.iwla._(u'Operating System'), self.iwla._(u'Entrance')])        
         table.setColsCSSClass(['', '', 'iwla_hit'])
         for (family, entrance) in os_families:
-            icon = '<img src="/%s/os/%s.png"/>' % (self.icon_path, self.icon_names[family])
+            icon = '<img alt="Operating system icon" src="/%s/os/%s.png"/>' % (self.icon_path, self.icon_names[family])
             table.appendRow([icon, family, entrance])
         table.computeRatio(2)
         index.appendBlock(table)