In order to boost the confidence of subscribers, there are a few guarantees that Hostgator made. Being one of the few, 99.9% uptime guarantee is the most powerful guarantee a web host company can offer.
So how does it work?
Below is quoted from their Term of Service document:-
If your shared / reseller server has a physical downtime that is not within the 99.9% uptime you may receive one month of credit on your account....