You forgot one important and helpful step: clear your cookies if simply trying a second or third time does not work. It will be time for clearing your cookies and try it again with a same browser, but if it does not work again, let's move to another browser and repeat those necessary steps.
you need to clear all the browser data, not just cookies. from my experience with betfury page not loading issues, a simple ctrl + f5 seems to fix most of them.