i have often marveled at how buggy and problematic KE's website is. perhaps we have an idea why - korea is stuck using internet explorer:
washington post:
South Korea is stuck with Internet Explorer for online shopping because of security law
SEOUL — South Korea is renowned for its digital innovation, with coast-to-coast broadband and a 4G LTE network that reaches into Seoul’s subway system. But this tech-savvy country is stuck in a time warp in one way: its slavish dependence on Internet Explorer.