There are many occasions when you might wish to display your URL in the form yourdomain/display.html but would like, instead, to direct visitors to another URL, say some-other-domain/best-mouse-trap.html. For example, you could be promoting an affiliate program with URL your-merchant-URL/sales-page/your-affiliate-code, and you think that the URL is too long, or you want to hide the fact that it is an affiliate link, or you might want to prevent people from stealing your affiliate commission, you could use this technique. You could even check how many people have clicked on your affiliate link, through checking the number of clicks of the  →