diff --git a/share/site.psgi b/share/site.psgi
index da9b5b8ff..9c553b73a 100644
--- a/share/site.psgi
+++ b/share/site.psgi
@@ -56,6 +56,12 @@ builder {
         Plack::App::File->new(root => $config->get('uploadsPath'));
     };
 
+    # enable config defined Middleware
+
+    for my $mw ( @{ $config->get('plackMiddleware') || [] } ) {
+        enable $mw;
+    }
+
     # Return the app
     mount '/' => $wg->to_app;
 };
diff --git a/t/PSGI/ConfigMiddleware.t b/t/PSGI/ConfigMiddleware.t
new file mode 100644
index 000000000..0555e04c0
--- /dev/null
+++ b/t/PSGI/ConfigMiddleware.t
@@ -0,0 +1,46 @@
+use strict;
+use warnings;
+use Test::More tests => 3;
+
+use Plack::Test;
+use Plack::Util;
+use HTTP::Request::Common;
+use WebGUI::Paths;
+use WebGUI::Test;
+
+SKIP: {
+    skip 'set WEBGUI_LIVE to enable these tests', 3 unless $ENV{WEBGUI_LIVE};
+
+    my $session         = WebGUI::Test->session;
+    $session->config->addToArray( 'plackMiddleware', '+WebGUI::Middleware::SHOUTING' );
+
+    local $ENV{WEBGUI_CONFIG} = WebGUI::Test->file; # tell the share/site.psgi which site to load
+
+    my $app = Plack::Util::load_psgi( WebGUI::Paths->defaultPSGI );
+
+    ok( $app, "created a PSGI app from app.psgi" );
+
+    test_psgi $app, sub {
+        my $cb = shift;
+        my $res = $cb->( GET "/home" );
+        is $res->code, 200, 'able to fetch pages with WebGUI::Middleware::SHOUTING installed';
+        like $res->content, qr/EASY TO USE WEB APPLICATION FRAMEWORK/, 'contains the text "EASY TO USE WEB APPLICATION FRAMEWORK"';
+    };
+
+    $session->config->deleteFromArray( 'plackMiddleware', '+WebGUI::Middleware::SHOUTING' );
+}
+
+package WebGUI::Middleware::SHOUTING;
+BEGIN { $INC{'WebGUI/Middleware/SHOUTING.pm'} = __FILE__; };
+
+use parent 'Plack::Middleware';
+
+sub call {
+    my($self, $env) = @_;
+    my $res = $self->app->($env);
+    for ( ref $res->[2] ? @{ $res->[2] } : ( $res->[2] ) ) {
+        s{>(.*?)<}{'>' . uc($1) . '<'}gse;
+    }
+    return $res;
+}
+