When a big show that is in high demand goes on sale, we need to manage the traffic on our website. This is done through a temporary queue before tickets go on sale. You will see a circle which fills up, but this isn't the official queue for purchasing tickets.

As soon as the on sale starts, the queue refreshes and starts again. You are now in the official queue to purchase tickets.

The official queue does not start until the official time of sale. It is pointless to load the website hours beforehand. Everyone will be placed in the queue when the show goes on sale. Being on the website hours beforehand does not guarantee you a better spot in the queue.