Help for this page
perl -le "use Time::HiRes qw( time ); $t1=time; eval 'use LWP::UserAge +nt; use HTTP::Request::Common;'; $t2=time; print $t2-$t1"
0.0728998184204102 0.0660429000854492 0.0670039653778076 0.0661859512329102