use Mojo::UserAgent;

# Fine grained response handling (dies on connection errors)
my $ua  = Mojo::UserAgent->new;
my $res = $ua->get('mojolicious.org/perldoc')->result;
if    ($res->is_success)  { say $res->body }
elsif ($res->is_error)    { say $res->message }
elsif ($res->code == 301) { say $res->headers->location }
else                      { say 'Whatever...' }