diff --git a/apps/protocols/http/mode/expectedcontent.pm b/apps/protocols/http/mode/expectedcontent.pm
new file mode 100644
index 000000000..8d3f58d0b
--- /dev/null
+++ b/apps/protocols/http/mode/expectedcontent.pm
@@ -0,0 +1,189 @@
+###############################################################################
+# Copyright 2005-2013 MERETHIS
+# Centreon is developped by : Julien Mathis and Romain Le Merlus under
+# GPL Licence 2.0.
+# 
+# This program 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 2 of the License.
+# 
+# This program 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 
+# this program; if not, see <http://www.gnu.org/licenses>.
+# 
+# Linking this program statically or dynamically with other modules is making a 
+# combined work based on this program. Thus, the terms and conditions of the GNU 
+# General Public License cover the whole combination.
+# 
+# As a special exception, the copyright holders of this program give MERETHIS 
+# permission to link this program with independent modules to produce an timeelapsedutable, 
+# regardless of the license terms of these independent modules, and to copy and 
+# distribute the resulting timeelapsedutable under terms of MERETHIS choice, provided that 
+# MERETHIS also meet, for each linked independent module, the terms  and conditions 
+# of the license of that module. An independent module is a module which is not 
+# derived from this program. If you modify this program, you may extend this 
+# exception to your version of the program, but you are not obliged to do so. If you
+# do not wish to do so, delete this exception statement from your version.
+# 
+# For more information : contact@centreon.com
+# Author : Simon BOMM <sbomm@merethis.com>
+#
+# Based on De Bodt Lieven plugin
+####################################################################################
+
+package apps::protocols::http::mode::expectedcontent;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+use centreon::plugins::httplib;
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+            {
+            "hostname:s"            => { name => 'hostname' },
+            "port:s"                => { name => 'port', },
+            "proto:s"               => { name => 'proto', default => "http" },
+            "urlpath:s"             => { name => 'url_path', default => "/" },
+            "credentials"           => { name => 'credentials' },
+            "ntlm"                  => { name => 'ntlm' },
+            "username:s"            => { name => 'username' },
+            "password:s"            => { name => 'password' },
+            "proxyurl:s"            => { name => 'proxyurl' },
+            "expected-string:s"     => { name => 'expected_string' },
+            "timeout:s"             => { name => 'timeout', default => '3' },
+            });
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+
+    if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (($self->{perfdata}->threshold_validate(label => 'warning-bytes', value => $self->{option_results}->{warning_bytes})) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Wrong warning-bytes threshold '" . $self->{option_results}->{warning_bytes} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (($self->{perfdata}->threshold_validate(label => 'critical-bytes', value => $self->{option_results}->{critical_bytes})) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Wrong critical-bytes threshold '" . $self->{option_results}->{critical_bytes} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (($self->{perfdata}->threshold_validate(label => 'warning-access', value => $self->{option_results}->{warning_access})) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Wrong warning-access threshold '" . $self->{option_results}->{warning_access} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (($self->{perfdata}->threshold_validate(label => 'critical-access', value => $self->{option_results}->{critical_access})) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Wrong critical-access threshold '" . $self->{option_results}->{critical_access} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (!defined($self->{option_results}->{hostname})) {
+        $self->{output}->add_option_msg(short_msg => "You need to specify hostname.");
+        $self->{output}->option_exit();
+    }
+    if (!defined($self->{option_results}->{expected_string})) {
+        $self->{output}->add_option_msg(short_msg => "You need to specify --expected-string option.");
+        $self->{output}->option_exit();
+    }
+    if ((defined($self->{option_results}->{credentials})) && (!defined($self->{option_results}->{username}) || !defined($self->{option_results}->{password}))) {
+        $self->{output}->add_option_msg(short_msg => "You need to set --username= and --password= options when --credentials is used");
+        $self->{output}->option_exit();
+    }
+    if ((!defined($self->{option_results}->{credentials})) && (defined($self->{option_results}->{ntlm}))) {
+        $self->{output}->add_option_msg(short_msg => "--ntlm option must be used with --credentials option");
+        $self->{output}->option_exit();
+    }
+}
+
+sub run {
+    my ($self, %options) = @_;
+
+    if (!defined($self->{option_results}->{port})) {
+        $self->{option_results}->{port} = centreon::plugins::httplib::get_port($self); 
+    }
+
+    my $webcontent = centreon::plugins::httplib::connect($self);
+    $self->{output}->output_add(long_msg => $webcontent);
+
+    if ($webcontent =~ /$self->{option_results}->{expected_string}/mi) {
+        $self->{output}->output_add(severity => 'OK',
+                                short_msg => sprintf("'%s' is present in content.", $self->{option_results}->{expected_string}));
+        $self->{output}->display();
+        $self->{output}->exit();
+    } else {
+        $self->{output}->output_add(severity => 'Critical',
+                                short_msg => sprintf("'%s' is not present in content.", $self->{option_results}->{expected_string}));
+        $self->{output}->display();
+        $self->{output}->exit();
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Webpage content
+
+=over 8
+
+=item B<--hostname>
+
+IP Addr/FQDN of the Webserver host
+
+=item B<--port>
+
+Port used by Webserver
+
+=item B<--proxyurl>
+
+Proxy URL if any
+
+=item B<--proto>
+
+Specify https if needed
+
+=item B<--urlpath>
+
+Set path to get Webpage (Default: '/')
+
+=item B<--credentials>
+
+Specify this option if you access webpage over basic authentification
+
+=item B<--ntlm>
+
+Specify this option if you access webpage over ntlm authentification (Use with --credentials option)
+
+=item B<--username>
+
+Specify username for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--password>
+
+Specify password for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--timeout>
+
+Threshold for HTTP timeout
+
+=back
+
+=cut
diff --git a/apps/protocols/http/mode/responsetime.pm b/apps/protocols/http/mode/responsetime.pm
new file mode 100644
index 000000000..b4455f40c
--- /dev/null
+++ b/apps/protocols/http/mode/responsetime.pm
@@ -0,0 +1,186 @@
+###############################################################################
+# Copyright 2005-2013 MERETHIS
+# Centreon is developped by : Julien Mathis and Romain Le Merlus under
+# GPL Licence 2.0.
+# 
+# This program 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 2 of the License.
+# 
+# This program 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 
+# this program; if not, see <http://www.gnu.org/licenses>.
+# 
+# Linking this program statically or dynamically with other modules is making a 
+# combined work based on this program. Thus, the terms and conditions of the GNU 
+# General Public License cover the whole combination.
+# 
+# As a special exception, the copyright holders of this program give MERETHIS 
+# permission to link this program with independent modules to produce an timeelapsedutable, 
+# regardless of the license terms of these independent modules, and to copy and 
+# distribute the resulting timeelapsedutable under terms of MERETHIS choice, provided that 
+# MERETHIS also meet, for each linked independent module, the terms  and conditions 
+# of the license of that module. An independent module is a module which is not 
+# derived from this program. If you modify this program, you may extend this 
+# exception to your version of the program, but you are not obliged to do so. If you
+# do not wish to do so, delete this exception statement from your version.
+# 
+# For more information : contact@centreon.com
+# Author : Simon BOMM <sbomm@merethis.com>
+#
+# Based on De Bodt Lieven plugin
+####################################################################################
+
+package apps::protocols::http::mode::responsetime;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+use Time::HiRes qw(gettimeofday tv_interval);
+use centreon::plugins::httplib;
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+         {
+         "hostname:s"   => { name => 'hostname' },
+         "port:s"       => { name => 'port', },
+         "proto:s"      => { name => 'proto', default => "http" },
+         "urlpath:s"    => { name => 'url_path', default => "/" },
+         "credentials"  => { name => 'credentials' },
+         "ntlm"         => { name => 'ntlm' },
+         "username:s"   => { name => 'username' },
+         "password:s"   => { name => 'password' },
+         "proxyurl:s"   => { name => 'proxyurl' },
+         "warning:s"    => { name => 'warning' },
+         "critical:s"   => { name => 'critical' },
+         "timeout:s"    => { name => 'timeout', default => '3' },
+         });
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+
+    if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
+        $self->{output}->option_exit();
+    }
+    if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
+        $self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
+        $self->{output}->option_exit();
+    }
+
+    if (($self->{option_results}->{proto} ne 'http') && ($self->{option_results}->{proto} ne 'https')) {
+        $self->{output}->add_option_msg(short_msg => "Unsupported protocol specified '" . $self->{option_results}->{proto} . "'.");
+        $self->{output}->option_exit();
+    }
+
+    if (!defined($self->{option_results}->{hostname})) {
+        $self->{output}->add_option_msg(short_msg => "Please set the hostname option");
+        $self->{output}->option_exit();
+    }
+    if ((defined($self->{option_results}->{credentials})) && (!defined($self->{option_results}->{username}) || !defined($self->{option_results}->{password}))) {
+        $self->{output}->add_option_msg(short_msg => "You need to set --username= and --password= options when --credentials is used");
+        $self->{output}->option_exit();
+    }
+}
+
+sub run {
+    my ($self, %options) = @_;
+
+    if (!defined($self->{option_results}->{port})) {
+        $self->{option_results}->{port} = centreon::plugins::httplib::get_port($self);
+    }
+    
+    my $timing0 = [gettimeofday];
+    
+    my $webcontent = centreon::plugins::httplib::connect($self, connection_exit => 'critical');    
+
+    my $timeelapsed = tv_interval ($timing0, [gettimeofday]);
+
+    $self->{output}->output_add(long_msg => $webcontent);
+    
+    my $exit = $self->{perfdata}->threshold_check(value => $timeelapsed,
+                                                  threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
+    $self->{output}->output_add(severity => $exit,
+                                short_msg => sprintf("Response time %.3fs", $timeelapsed));
+    $self->{output}->perfdata_add(label => "time",
+                                  value => sprintf('%.3f', $timeelapsed),
+                                  warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
+                                  critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'));
+
+    $self->{output}->display();
+    $self->{output}->exit();
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Webpage Time Response
+
+=over 8
+
+=item B<--hostname>
+
+IP Addr/FQDN of the webserver host
+
+=item B<--port>
+
+Port used by Webserver
+
+=item B<--proto>
+
+Specify https if needed
+
+=item B<--urlpath>
+
+Set path to get webpage (Default: '/')
+
+=item B<--credentials>
+
+Specify this option if you access webpage over basic authentification
+
+=item B<--ntlm>
+
+Specify this option if you access webpage over ntlm authentification (Use with --credentials option)
+
+=item B<--username>
+
+Specify username for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--password>
+
+Specify password for basic authentification (Mandatory if --credentials is specidied)
+
+=item B<--proxyurl>
+
+Proxy URL if any
+
+=item B<--timeout>
+
+Threshold for HTTP timeout
+
+=item B<--warning>
+
+Threshold warning in seconds (Webpage response time)
+
+=item B<--critical>
+
+Threshold critical in seconds (Webpage response time)
+
+=back
+
+=cut
diff --git a/apps/protocols/http/plugin.pm b/apps/protocols/http/plugin.pm
new file mode 100644
index 000000000..cf3e93e21
--- /dev/null
+++ b/apps/protocols/http/plugin.pm
@@ -0,0 +1,65 @@
+###############################################################################
+# Copyright 2005-2013 MERETHIS
+# Centreon is developped by : Julien Mathis and Romain Le Merlus under
+# GPL Licence 2.0.
+# 
+# This program 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 2 of the License.
+# 
+# This program 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 
+# this program; if not, see <http://www.gnu.org/licenses>.
+# 
+# Linking this program statically or dynamically with other modules is making a 
+# combined work based on this program. Thus, the terms and conditions of the GNU 
+# General Public License cover the whole combination.
+# 
+# As a special exception, the copyright holders of this program give MERETHIS 
+# permission to link this program with independent modules to produce an executable, 
+# regardless of the license terms of these independent modules, and to copy and 
+# distribute the resulting executable under terms of MERETHIS choice, provided that 
+# MERETHIS also meet, for each linked independent module, the terms  and conditions 
+# of the license of that module. An independent module is a module which is not 
+# derived from this program. If you modify this program, you may extend this 
+# exception to your version of the program, but you are not obliged to do so. If you
+# do not wish to do so, delete this exception statement from your version.
+# 
+# For more information : contact@centreon.com
+# Authors : Quentin Garnier <qgarnier@merethis.com>
+#
+####################################################################################
+
+package apps::protocols::http::plugin;
+
+use strict;
+use warnings;
+use base qw(centreon::plugins::script_simple);
+
+sub new {
+	my ($class, %options) = @_;
+	my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+	bless $self, $class;
+# $options->{options} = options object
+
+	$self->{version} = '0.1';
+	%{$self->{modes}} = (
+            'response-time'     => 'apps::protocols::http::mode::responsetime',
+            'expected-content'  => 'apps::protocols::http::mode::expectedcontent',
+			);
+
+	return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check HTTP or HTTPS webpage.
+
+=cut
diff --git a/centreon/plugins/httplib.pm b/centreon/plugins/httplib.pm
index cfed6c980..4ccaabb49 100644
--- a/centreon/plugins/httplib.pm
+++ b/centreon/plugins/httplib.pm
@@ -56,7 +56,7 @@ sub get_port {
 
 sub connect {
     my ($self, %options) = @_;
-    my $ua = LWP::UserAgent->new( protocols_allowed => ['http', 'https'], timeout => $self->{option_results}->{timeout});
+    my $ua = LWP::UserAgent->new( keep_alive => 1, protocols_allowed => ['http', 'https'], timeout => $self->{option_results}->{timeout});
     my $connection_exit = defined($options{connection_exit}) ? $options{connection_exit} : 'unknown';
     
     my ($response, $content);
@@ -67,8 +67,10 @@ sub connect {
     } else {
         $req = HTTP::Request->new( GET => $self->{option_results}->{proto}. "://" . $self->{option_results}->{hostname} . $self->{option_results}->{url_path});
     }
-    
-    if (defined($self->{option_results}->{credentials})) {
+   
+    if (defined($self->{option_results}->{credentials}) && defined($self->{option_results}->{ntlm})) {
+        $ua->credentials($self->{option_results}->{hostname} . ':' . $self->{option_results}->{port}, '', $self->{option_results}->{username}, $self->{option_results}->{password});
+    } elsif (defined($self->{option_results}->{credentials})) {
         $req->authorization_basic($self->{option_results}->{username}, $self->{option_results}->{password});
     }