Another use case to consider is what happens if a visitor shares either
link with a friend.Because of the nature of cookies, you will always
will have some cross-recipe contamination. Unless you authenticate, its
unachievable goal to remove it. You can try to balance it so the effects
hit both recipes equally.Other concerns:Redirects usually have a
negative effect on performance and depending on your experiment
configuration it could be significant by itself, putting page B at a
slight disadvant...