my $request = HTTP::Request->new('HEAD', $link);
                $request->header('Accept' => 'text/html');
                my $response = $ua->request($request);
                if ($response->is_success) 
                {
                        my $url = $response->request()->uri();
                        logger( "### Found new URL: " . $url );
                        push(@urls, $url);
                }