You’re seeing an Anubis anti-bot Proof-of-Work check because the site wants to...

https://atomic-wiki.win/index.php/How_Do_I_Reduce_Bot_Checks_for_Logged-in_Users_While_Using_Anubis%3F

You’re seeing an Anubis anti-bot Proof-of-Work check because the site wants to make sure real people are visiting, not automated bots. Sometimes JavaScript doesn’t load properly, which can block the check