Does the issue remain if you switch from mobile network data to Wi-Fi ?
I've tried your link and it appears to work Ok for me on my Note 9 on Oreo.
If it continues to hinder you then clear your browser cache and or try another internet browser.
I can't see it being your phone at issue so see if you can email / contact the developer of the site page to tell them.of your bug.
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "