I am using PaleMoon, two of these browsers, one has noscript disabled and the other has quickjava extension and scripting cookies etc are all enabled so there should not be a problem.
It's the same with Opera too. I have no recent Internet Explorer installed on this PC.
Therefore there does seem to be a problem with the site.
People need to be careful with sites like this as they could be fraudulent but seeing as you cannot order lol that cannot be a problem.