use Time::HiRes 'sleep';

##</code><code>##

# The documentation isn't clear on this.
# The DocumentComplete event roughly says:
# the event gets fired (for each frame) after ReadyState == 4

##</code><code>##

my $url = '...';  # you choose
$ie->get($url);
use Time::HiRes 'sleep';
while($ie->{agent}->ReadyState < 4) {
    sleep 0.055;
}
$\ = "\n";
print $_->url foreach $ie->links;