I tested both links on my side and the site opened without any problem. Perhaps it was a glitch when he tried to access it...?
I tried on both Brave and Tor browsers, but it didn't work the only link that works for me is if you change the link from HTTPs to HTTP after changing this to a non-secured protocol the onion link is accessible on both Browser Brave and Tor.
As for the Clearnet, it works just fine and it loads instantly there are times it slows down when accessing the normal site but I think it's because of the recent Cloudflare issues or maintenance before this month.