It may be that you can only have so many visits/ so much bandwidth per day or month or something. As you've posted the link on the 'best' computer help forum you've had zillions of people looking at it which has blocked things out.
I was able to get on it shortly after you posted the link but haven't been able to do so since.
May be worth checking the T&C of the company you are using.
You may want to look at One&One for other hosting options which are cheapish (click here)