> Since most of the coupons you find on these pages don’t work, you may have wondered why do these coupon sites even exist? Their primary goal has been and will always remain to attach a browser cookie to your web browser

I really wonder why deleting all the cookies for a given website as soon as you close it isn't the default behavior and not even a built-in option in web browsers. I use Vanilla Cookie Manager in Chrome to make it work this way.