This discount is valid only on 2014, December 16 !
Seems like, Hostgator wants to offer discounted webhosting again this winter (Winter 2014)..
Just received an email from them:
Thanks to HostGator discount coupons, You can get a web hosting for the best price possible. Basically Hostgator offers 25% discount off your order and or one month free Hostgator hosting, better to say first month for just one cent.
One Cent coupon code $9.94 Off: ONECENTCOUPONS; 25% off coupon code: hostgatoroff25; Reseller $24 off hosting coupon code: RESELLEROFF24