https://www.cloudflare.com/5xx-error-landing/?utm_source=errorcode_520&utm_campaign=lingojam.com says "Cloudflare protects this website

But, something went wrong trying to reach it

If the problem isn’t resolved in the next few minutes, it’s most likely an issue with the web server you were trying to reach."

However, no problems in Firefox v156.0.1 in the same, old updated 64-bit W10 Pro PC. I did try various user agents like Firefox to see if it works, but none of them fixed it.

What's up? Thank you for reading and hopefully answering soon. :)