A user comes (through a link) from a http:// site to an other (having different domain) https:// site. We need to track that these two requests are done by the same user. But cookies do not pass over domain boundaries. What to do?One solution is to add a hash into the URL of the above mentioned link. But this would be not a perfect solution for us. Are there other solutions?
Transferring cookies between two sites (one is HTTPS)
tracking;cookie