You see the Anubis anti-bot Proof-of-Work check to protect the site from...

https://wiki-book.win/index.php/Anubis_Page_Shows_Up_Only_on_One_Network_-_What_Could_Cause_That%3F

You see the Anubis anti-bot Proof-of-Work check to protect the site from automated traffic and keep things running smoothly for real visitors. If the check doesn’t load, it’s often because JavaScript is blocked or disabled